Multiply.
-$10 x^{7}\left(-8 x^{7}-11 x^{2}-8\right)$
A) $-80 x^{14}-110 x^{9}-80 x^{7}$
B) $-80 x^{7}-110 x^{2}-80$
C) $-80 x^{14}-110 x^{9}$
D) $-80 x^{14}-11 x^{2}-8$

Question

Quizplus · Accepted Answer

When multiplying polynomials, you add the exponents of like bases. So, $10x^7$ multiplied by each term in the parentheses gives: $10x^7 * -8x^7 = -80x^{14}$, $10x^7 * -11x^2 = -110x^9$, and $10x^7 * -8 = -80x^7$.

Multiply - 10x7(−8x7−11x2−8)10 x^{7}\left(-8 x^{7}-11 x^{2}-8\right)10x7(−8x7−11x2−8) A) −80x14−110x9−80x7-80 x^{14}-110 x^{9}-80 x^{7}−80x14−110x9−80x7 B) −80x7−110x2−80-80 x^{7}-110 x^{2}-80−80x7−110x2−80

Multiply
- $10 x^{7}\left(-8 x^{7}-11 x^{2}-8\right)$ A) $-80 x^{14}-110 x^{9}-80 x^{7}$ B) $-80 x^{7}-110 x^{2}-80$