Question

Just need #12 thank you!

Answer 1

(2x^2+6x-11)-(5x^2-x+7)

Pretend that there is a -1 in front of the second bracket

-1(5x^2-x+7)=-5x^2+x-7

2x^2+6x-11-5x^2+x-7

2x^2-5x^2+6x+x-11-7 ( combine like terms)\

-3x^2+7x-18

Answer: d. -3x^2+7x-18