Question

0
3x + 9
x2 - 2x – 15

Answer 1

3x+9x^2−2x−15

= 3x+9x^2+−2x+−15

Combine Like Terms:

= 3x+9x^2+−2x+−15

= (9x^2)+(3x+−2x)+(−15)

= 9x^2+x+−15

Answer:

= 9x^2+x−15