Question

Combine like terms to simplify the expression:



7x + 3y – 2 + 6x – 1 – y^2

Answer 1

do you know what like terms are ?

Answer 2

no, not really. i dont understand it

Answer 3

ok....like terms are just what the name implies. And you can only add/subtract like terms. You cannot do anything with unlike terms.
For example : 2x + x + x^2 -- the x's are like terms but the x^2 is not a like term
so this answer would be : x^2 + 3x.
You add/subtract x's with x's
you add/subtract y's with y's.
you add/subtract x^2's with x^2's.

Now to your problem : 7x + 3y - 2 + 6x - 1 - y^2
lets put our like terms together..
7x + 6x = 13x
3y -- there is no other like term
-y^2 -- there is no other like term
-2 -1 = -3
now we have :
13x -y^2 + 3y - 3

understand ?

Answer 4

nope

Answer 5

what are you having trouble understanding ?

Answer 6

everything. idk im just stupid so theres really no way i could understand it

Answer 7

o-o stupid...?

Answer 8

do not say that. you are not stupid.

Answer 9

^^^^^
what he just said

Answer 10

*She

Answer 11

She*.....

Answer 12

hmm...let me try to explain again.
Like terms...
x's and x's are like terms
x^2's are not like terms with x's. You can only add x^2's with x^2's.
You can only add y's with y's and not with y^2's.
They have to be alike.
I probably just confused you more.....

Answer 13

D;

Answer 14

wait i think i get it

Answer 15

You can think of it as shapes if it helps,