Question

Simplify.
(u^2 - 6u+7)+(-3u^2 + 2u +5)

Answer 1

2u2−4u+12

Explanation:

Conbine like terms:

=u2+−6u+7+−3u2+2u+5

=(u2+−3u2)+(−6u+2u)+(7+5)

=−2u2+−4u+12