Find the product of the two polynomials (x + 7)(-5x ² – 8x + 4)

Question

asked Apr 20, 2021 110k views

1 Answer

Jameo · Answer 1 · 2021-04-25T14:49:46+0000

Multiply x by everything in the other parentheses. So x by -5x2 and -8 and 4, then do the same with 7.

The answer would be,

-5x^3-8x^2+4x-35x^2-56x+28

Simplified it would equal after combining like terms

-5x^3-43x^2-52x+28