Question

Simplify the expression.

Answer 1

2x2+23

Explanation:

=7x2+3+(−5)(x2)+(−5)(−4)

=7x2+3+−5x2+20

Combine Like Terms:

=7x2+3+−5x2+20

=(7x2+−5x2)+(3+20)

=2x2+23

Hope this helps!