Question

Factor the polynomials completely using any method.
4x^3+16x^2-9x-36

Answer 1

(x+4)(2x-3)(2x+3)

Answer 2

\[4x^3+16x^2-9x-36\]
=\[4x^2(x+4)-9(x+4)\]
=\[(4x^2-9)(x+4)\]
=\[(2x+3)(2x-3)(x+4)\]