Question

Add or subtract
(2x^2+6x+1)+(-7x^2+2x-3)
A. 5x^2-4x-2
B. -5x^2+8x-2
C. 5x^2-8x+2
D. -9x^2-8x+2

Answer 1

add same terms. What did you get?

Answer 2

I was asking because I don't know how to do it.

Answer 3

\[(2x ^{2} +6x +1 ) + (-7x ^{2} +x -3)\]

then,

\[(2x ^{2}-7x ^{2})+(6x+2x)+(1-3)\]

can you solve it now?

Answer 4

ermmm

Answer 5

look at the numbers only not the "x". what's your answer?

Answer 6

ok let me do the math real quick.

Answer 7

so it would be -5x^2+8x+-2?

Answer 8

right! but it will be like this -5x^2+8x-2

Answer 9

Ohhhh. thank you sooooo mutch!

Answer 10

did you get it?

Answer 11

yeah

Answer 12

your welcome