Question

How do you combine like terms in `(5y ^ { 2} - 5y + 2) - ( 8y ^ { 2} - 5y + 3)`?

Answer 1

`-3y^2-1`

Explanation:

first distribute the - sign, `−(8y^2−5y+3)= -8y^2+5y-3`

then combine like terms, `5y^2-8y^2= -3y^2`
next `-5y+5y=0y`
then `2-3=-1`

combine them to get `-3y^2-1`