(2u^2-3u+9)-(4u^2-5u-8)+(-6u^2+4u-9)

Mathematics · Middle School · Mon Jan 18 2021

Answered on

We have 

(2u^2-3u+9)-(4u^2-5u-8)+(-6u^2+4u-9)

2u^2-3u+9-4u^2+5u+8-6u^2+4u-9

Solving like terms, we get

-8u^2 + 6u + 8

Taking common,  we get

-2(4u^2 - 3u -4)