Question

what is the simplified form of this expression? (4x - 4) - 8x
a. -8x
b. 12x - 4
c. -4x - 4
d. -4x + 4

Explanation:

Step1: Remove parentheses

$(4x - 4)-8x=4x - 4-8x$

Step2: Combine like - terms

$4x-8x - 4=(4 - 8)x-4=-4x - 4$

Answer:

C. $-4x - 4$