Question

(8x2+8x)−(−9x2+8x)
I NEED STEP BY STEP don't just use a calculator.

Answer 1

34

Explanation:

(16+8x)-(-18+8x)

16-(-18)

34

Answer 2

17x^2

Explanation:

(8x^2+8x)- ( 9x^2+8x)

8x^2+8x + 9x^2-8x

17x^2