## Simplify: (-9x – 5) – (-9x^2 + x – 5)?

A. x(9x + 10)

B. -x(9x – 10)

C. -x(9x + 10)

D. x(9x – 10)

**Answer: D. x(9x – 10)**

**Solution:**

(-9x – 5) – (-9x^2 + x – 5)

= -9x – 5 + 9x^2 – x + 5

= 9x^2 – 9x – x – 5 + 5

= 9x^2 – 10x

= x(9x – 10)

**The Answer is x(9x – 10).**