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A new day for a 17 years old highschool student named Kim Doyoung

He open his door and go to another room

Doyoung: Junkyu hyung wake up, you're getting late
Junkyu: Doyoung-ah I'm not getting late, it's too early
Doyoung: your alarm clock ring for 3 times I wake up up for 5 times now, get up there, it's already 7:30
Junkyu: what the...

He push Doyoung a side and rush to the bathroom

Doyoung was left in Junkyu's room alone, feeling hurt deep inside him

'you are always rude to me, so what would I expected to you?' he thought

He go back to his room and he put all his things to his bag

When Junkyu is done he rush to his room and wear his shoes and brush his hair

Junkyu: Doyoung-ah! Let's go now, we're getting late
Doyoung: that was because you didn't wake up early hyung
Junkyu: fine it's me, let's go now! Mashiho must be worried about me

'mashiho hyung again?' he thought and he just close his door making a loud noise

Junkyu look at Doyoung who is showing a unsatisfied face

Junkyu follow after he lock the door of their dorm and go to school

When they arrive to school Junkyu immediately go to his classroom leaving Doyoung at the second floor

Yedam: Doyoung faster the teacher still not here

Yedam said and Doyoung get inside the classroom and sit as if he is not late

Yedam: why are you late?
Doyoung: nothing

Yedam look at Doyoung and he just shrugged it off because he is sure Doyoung won't tell the truth

Yedam has a feelings for Doyoung but when he found out Doyoung has a crush on Junkyu he just give up and let Doyoung go, he is sure that Junkyu will take care of him if ever they date, right? Now he's focus on his studies

Meanwhile Junkyu who is not paying attention to the lesson because he was busy admiring the Japanese guy in his class named Takata Mashiho

Mrs. Han: Kim Junkyu!
Junkyu: ah n-ne?

Junkyu startled because his name was called

Mrs. Han: our lesson is trinomial not Mr. Takata, mind to share why your attention is on Mr. Takata?

They all look at Junkyu and Junkyu felt embarrassed

Junkyu: sorry Mrs. Han not gonna happened again
Mrs. Han: keep your words because I always caught you staring at Mr. Takata

Then the lesson started again, when he look infront of him he saw Yoshi and Jihoon laugh silently

Mrs. Han: Mr. Kanemoto, how do you identify a trinomial? And give an example

Yoshi stop laughing and he stand up calmly

Yoshi: Trinomials are the algebraic expressions with three unlike terms, hence the name “Tri”nomial. For example- 3x + 5x2 – 6x3 is a trinomial. It is due to the presence of three, unlike terms, namely, 3x, 5x2 and 6x3. Likewise, 12pq + 4x2 – 10 is a trinomial.
Mrs. Han: Mr. Kim
Junkyu: Ne?
Mrs. Han: what is the trinomial method?
Junkyu: umm..

Junkyu couldn't answer, and yoshi was writing something in his notebook

Mrs. Han: what is it?

Yoshi look at him and pretend to scratch his head but the truth he was motioning Junkyu to look at his notebook

Junkyu: The “AC” method or factoring by grouping is a technique used to factor trinomials. A trinomial is a mathematical expression that consists of three terms (ax² + bx + c).

Junkyu look at Yoshi and mouthed "thank you" as yoshi nodded at him

Even if sometimes yoshi tease Junkyu because he is always getting caught at the teacher paying attention to Mashiho instead of the lesson, he never forget to help him when he need

Mrs. Han: What is trinomial square?

No one raised their hands except for yoshi, he is not getting tired to raised his hands because he is smart as hell in this math

Mrs. Han: other hand? Yoshi again?

Mrs. Han, then one student raised hand, it was Mashiho

Mrs. Han: yes Mashiho
Mashiho: Overview. Trinomial squares are also known as perfect square trinomials, and are the squares of binomial expressions. They factor as (a + b)(a + b) or (a – b)(a – b) where a and b are real numbers. Forms such as (a + b)(a -b) are special products that are also called the difference of squares.
Mrs. Han: very good

Yoshi Jihoon and Junkyu clap only the three of them, making Mashiho a little bit embarrassed

Mrs. Han: what is the first steps in perfect square trinomial? Yes Mr. Park?
Jihoon: Step 1: Factor out the GCF, if necessary. Step 2:Write each term as a perfect cube. Step 3: Identify the given variables. Step 4:The terms of the binomial are the cube roots of the terms of the original polynomial.

He tell all the step, and they clap for him because it's so rare for him to answer in math

Mrs. Han: okay class good job for today, I will dismissed you early today since I have an appointment to attend, goodbye, have a good day, and good luck, don't forget to answer your homework, president please get it at the office, before I leave

Yoshi stand up and follow Mrs. Han at the office to get the homework she will assign

Strange isn't? Yoshi is an international student but he was the president of the class T1-T12, but it's okay, him and Mashiho are even a School officer along with Junkyu

Jihoon? No he didn't nominate himself to be one of the officer again, they are going to graduate soon anyway

Yoshi go back to classroom and write the homework at the board as his classmates copy it

Yoshi: that's all, we can have our lunch now, Mr. Ong said he can't attend so read the page 249 to 255, and answer the question and give it to Mashiho so Mashiho can pass it at the teachers office and Mr. Ong will check it

The students groan at it, but they have no choice

Yoshi put his things neatly at his bag and they go at the cafeteria with mashiho of course

Junkyu: Doyoung

The mentioned named look at him and he smile

Yedam is with jeongwoo and Junghwan

Doyoung go to their table and he remember something

Doyoung: president and vice and Junkyu hyung we have a meeting later at the office for the upcoming graduation of the grade 12 students
Jihoon: I will be left alone again *pout*
Yoshi: I told you, if you join the election and you win you won't be left out
Jihoon: no we are going to graduate anyway

Doyoung sit beside Yoshi because Junkyu was sitting beside Mashiho and Jihoon is sitting at the center

Doyoung: yoshi hyung can do you know the trinomial?
Yoshi: oh yes, why?
Doyoung: can you help me later hehe? I can't really understand it
Junkyu: already trinomial?
Doyoung: yes why?
Junkyu: nothing

Junkyu said shortly and he go back to babying Mashiho

'i want to be Mashiho hyung too' he thought and he just look down at his food

Yoshi who notice it, look at Junkyu and see that he was babying Mashiho

Yoshi did a fake cough, and Junkyu panic

Junkyu: oh my gosh! Are you sick or what?

He said and he give Yoshi a facemask, Junkyu use to have this attitude that's why sometimes Doyoung was annoyed to him

Doyoung: he just did a fake cough, and eat your food it's getting cold

Yoshi Chuckle and he started to eat, Junkyu pout and he also eat

•To Be Continue•

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