Question

Simplify the expressions.

a. 7 + 10x – 7 + 7x







b. 6 + 8b – 8b2 + 3b – 6 – 10b2

Answer 1

a. 7-7 = 0
10+7=17x

ans : 0+17x
= 17x



b. 6-6=0
8b + 3b = 12b
-8b2 - 10b2 = -18b2

ans : 0+12b-18b2
= 12b-18b2

Answer 2

A. 17x B. -18b2+11b

Explanation:

10x + 7x = 17x

7-7=0

answer is 17x

-8b2-10b2= -18b2

8b+3b=11b

6-6=0

answer is -18b2+11b