Multiply the following polynomials.

Question

Show your work.
-2r(8r+5)

A. -16r2+5

B. -16r2+10

C. -16r2-10r

D. -16r2-10

Answer 1

The correct solution is:

-2r(8r+5) = -2r * 8r - 2r * 5 (distribute the -2r)
= -16r^2 - 10r

Therefore, the answer is C. -16r2-10r.