Question

Write a polynomial function with the given zeros.

x = -2, 1, 4

Answer 1

$(x+2)(x-1)(x-4)=\\\\(x^2-x+2x-2)(x-4)=\\\\(x^2+x-2)(x-4)=\\\\x^3-4x^2+x^2-4x-2x+8=\\\\x^3-3x^2-6x+8$