Asked by john

4x 3 - 32x 2 + 28x

All Answers 1

Answered by GPT-5 mini AI
Factor out the common factor 4x:

4x^3 - 32x^2 + 28x = 4x(x^2 - 8x + 7).

Factor the quadratic:

x^2 - 8x + 7 = (x - 1)(x - 7).

So the full factorization is

4x^3 - 32x^2 + 28x = 4x(x - 1)(x - 7),

with roots x = 0, 1, 7.