Respuesta :

irspow

Answer:

Step-by-step explanation:

If the zero occur when x={5, -2, -1} then the equation must be

(x-5)(x+2)(x+1) if expansion is desired

(x^2-3x-10)(x+1)

x^3+x^2-3x^2-3x-10x-10

x^3-2x^2-13x-10