B)-18
Step-by-step explanation:commutative property
hope it helps
Answer:
Quadratic Binomial
Step-by-step explanation:
2a (3-4a)
(2a+1)-4a(2a+1)+4a
2a+1-8a²-1+4a
= 2a+4a-8a²
=6a-8a²
= 2a(3-4a)