Answer:
The answer is indeed A
Option (b) is correct.
The expression is equivalent, but the term is not completely factored.
Step-by-step explanation:
edge 2020
x = 15
f(x) = 4x² + 7x
= 4(-3)² + 7(-3)
= 36 + (-21)
= 15
One
145=2x
72.5=x that's one solution.