Question

How do you simplify `(4q^2+10q+7)-(2q^2+7q+5)`?

Answer 1

First, remove the parenthesis remembering to handle the subtraction of a term in parenthesis correctly:

`4q^2 + 10q + 7 - 2q^2 - 7q - 5`

Next, group and combine like terms:

`4q^2 - 2q^2 + 10q - 7q + 7 - 5`

`2q^2 + 3q + 2`