Question

Simplify these expressions and find their values if x = 3, a = -1,b=-2
(a) 2 - 8x + 4x + 4
(b) 2a - 2b - 4-5+ a​

Answer 1

Answer:

=-6

Explanation:

2-8×3+4×3+4

2-24+12+4

-24+18

-6

2×(-1)-2(-2)-4-5+-1

1-4-10

-13