Question

Multiply. (x^2+x+7)(x-7)

Answer 1

\[(x2+x+7)(x−7)=x^3−6x^2−49\]

Answer 2

Multiply every term of the left polynomial by every term of teh right polynomial.
(x^2 + x + 7)(x - 7) =
x^2(x) + x^2(-7) + x(x) + x(-7) + 7(x) + 7(-7)
Do the multiplications, then combine like terms.

Answer 3

Thank you!