Question

What is the product of the polynomials below?(8 - x2)(x - x3)

A.x5 - 9x3 + 8x
B.x5 - 9x3 + 6x
C.x5 + 9x3 + 6x
D.x5 + 9x3 + 8x

plz help!

Answer 1

(8 - x^2)(x - x^3)
Foil it:

`(8)(x)+(8)(-x^3)+(-x^2)(x)+(-x^2)(-x^3)`

Combine like terms:

`8x-8x^3-x^3+x5`

Final answer:

`x^5-9x^3+8x`