Answer:
3
Step-by-step explanation:
maybe??? or 12 ........
b 7&12..........................
f(x) = x³+2x²-16x-32
f(x) = 0 when x = -4, -2, 4
So these are the roots
Factors are (x+4)(x+2)(x-4)
f(x) = [(x+4)(x-4)](x+2)
f(x) = (x²-16)(x+2)