Write the equation of the polynomial with the given roots in standard form. x=-4 (multiplicity of 2) x=3

Question

This one had me confused for a while..............

Answer 1

y = (x+4)^2(x-3)

= (x^2+8x+16)(x-3)

= x^3 + 8x^2 + 16x

- 3x^2 -24x - 48

= x^3 + 5x^2 - 8x - 48