Question

Multiply:

2r^2+r-15 r^2+9r+8
---------- X -----------
r^2+11r+24 2r^2-3r-5

Answer 1

2r^2+r-15 r^2+9r+8 2r^2+r-15 2r^2-3r-5
---------- X ----------- =-------------*------------=
r^2+11r+24 2r^2-3r-5 r^2+11r+24 r^2+9r+8

4r^4-4r^3-43r^2+40r+75
=-------------------------------
r^4+21r^3+131r^2+304r+192