Question

Determine how many, what type, and find the roots for f(x) = x3 - 4x2 – 16x + 64.
SHOW WORK!

Answer 1

x=4

Explanation:

x^3-4x^2-16x+64

(x^2-16)(x-4)

x-4=0

+4 +4

x=4

x^2-16=0

+16 +16

x^2=16

√ x^2=√ 16

x=4