Respuesta :

UnLedZep

Answer:

-x³-12x²-24x-40

Step-by-step explanation:

f(x)=(x+10)

g(x)=-x²-2x-4

f(x)*g(x)=(x+10)(-x²-2x-4)

x(-x²)+x(-2x)+x(-4)+10(-x²)+10(-2x)+10(-4)

-x³-2x²-4x-10x²-20x-40

-x³-12x²-24x-40