Question

Simplify 4y-8y^2+9y-7y^2

Answer 1

4y-8y^2+9y−7y^2

=4y+ −8y^2+9y+ −7y^2

Combine Like Terms:

=4y+ −8y^2+9y+ −7y^2

=(−8y^2+ −7y^2)+(4y+9y)

= −15y^2+13y

Answer 2

Answer: D) 13y+15y^2

Explanation:

(4y+9y)+(-8y^2-7y^2)=13y-15y^2