Question

Find the difference. (9x2 10x 4) − (9x2 5x − 1) a. 5x 5 b. 15x 3 c. x2 5x 5 d. x2 15x 3

Answer 1

Explanation:

I have put + where there is a blank.

(9x2 + 10x+ 4) − (9x2 + 5x − 1)

= 9x2 + 10x +4 − 9x2 - 5x + 1

= 5x + 5.