Answer:
x=6
Step-by-step explanation:
First, add x to each side.
72=-2x+84
Subtract 84 from each side
-12=-2x
Dive each side by -2
6=x
<span>-28x²-12x = -4x(7x+3) the first one is answer</span>
Answer:
answer is a. 15(3+1)
Step-by-step explanation:
um this makes sense lmk if I'm wrong