Question

How do you combine `(3y^2 + 7y + 6) - (y^2 + 7y + 5)`?

Answer 1

`2y^2 +1`

Explanation:

It is `3y^2 +7y+6- y^2 -7y -5`

= `(3y^2 -y^2) +(7y-7y)+ (6-5)`

= `2y^2 +1`