Question

Which expression is equivalent to 7x2 + (2x - 13x2) + 4 - (8x +1) + 32 ?

Answer 1

23-6x

Explanation:

1.Simplify 13×2 to 26

7×2+(2x-26)+4-(8x+1)+32

2.Simplify 7×2 to 14

14+2x-26+4-(8x+1)+32

3.Remove parentheses

14+2x-26+4-8x-1+32

4.Seperate numbers from letters

(14-26+4-1+32)+(2x-8x)

5.Simplify

23-6x