Question

Simplify.

(5n2−4n+6) + (4n2−2n−3)




9n2+6n+9

9n2−2n−3

9n2−6n+3

9n4−6n2+3

Answer 1

Let's simplify step-by-step. 5n2−4n+6+4n2−2n−3

=9n2−6n+3