Question

Simplify.

7y – x2 + 3x −17x – 5y + 2x2

A.
−13x2 + 1y

B.
x2 – 14x + 2y

C.
2x2 – 12xy

D.
3x2 + 20x + 12y

Answer 1

I'll give medal

Answer 2

B

Answer 3

Why?

Answer 4

Combine like terms
\[(−x^2+2x^2)+(3x−17x)+(7y−5y)\]

Answer 5

well you see if you combine 7y and -5y you get 2y and there is only 1 answer with 2y in it which is B

Answer 6

pooja can u explain more

Answer 7

Combine like terms
\[(−x^2+2x^2)+(3x−17x)+(7y−5y)\]
Well you need to combine the terms that are alike (in this case numbers with the same letters )

Answer 8

so b?

Answer 9

@pooja195

Answer 10

help?

Answer 11

Yes :)

Answer 12

That's correct

Answer 13

ok. but isn't it negative?

Answer 14

-1+2=1
so it no longer remains negative

Answer 15

ah ok

Answer 16

Welcome to openstudy ^_^