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Mathematics 21 Online
Nicole:

http://prntscr.com/l0w9jg

Nicole:

@Vocaloid @SmokeyBrown

SmokeyBrown:

You have a lot of freedom with this one. The prompt asks for a subtraction problem, subtracting a first degree binomial from a second degree trinomial. A first degree binomial would be an expression with two terms, and the highest power of any variables in that expression would be 1. A second degree trinomial would have three terms, and the highest power of any variables would be 2.

Nicole:

can you give me an example then i make my own?

SmokeyBrown:

Yeah, so an example of a first degree binomial would be like 4x +2 And a second degree trinomial would be like 3x^2 -8x +6

Nicole:

okay so (8x+2) - (5x^2-6x+3) like that? ^

SmokeyBrown:

Almost, but the question asks for you to subtract the binomial *from* the trinomial, not the other way around.

Nicole:

(5x^2-6x+3) - (8x+2)

Nicole:

correct?

SmokeyBrown:

Yeah that's good

Nicole:

http://prntscr.com/l0wg1d

SmokeyBrown:

That's the same kind of idea as before, but instead of a binomial subtracted from a trinomial, it's a trinomial subtracted from a trinomial.

Nicole:

example?

SmokeyBrown:

like, (x^2 +3x - 2) - (3x^2 - 2x +5)

Nicole:

(x^3+2x-4) - (4x^2-5+4)

SmokeyBrown:

yeah, that'll work

Nicole:

http://prntscr.com/l0wjra

SmokeyBrown:

So this is just like the first one, except the highest power in your binomial will be 2, and the highest power in your trinomial will be 3

Nicole:

One more example please lol?

Nicole:

?

Nicole:

@SmokeyBrown @Vocaloid

SmokeyBrown:

Yeah, like (x^3 + 2x +1) - (x^2 + 1)

Nicole:

Okay got it thank youu

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