Answer:
X=13
Step-by-step explanation:
Distributive Property
I think it's because the bracket was expanded.
–4
observe
2x² + 8x = x² – 16
x² + 8x + 16 = 0
(x+4)² = 0
x + 4 = 0
x = –4
12
100=40 in this scenario. 100/40 is 250% or 2.5
30/2.5=12.
your answer will be letter B