how need help with this question

Question

subtract 7y^2 -3y from 4y^2 + 2y isthe answer 3y^2 - 5y thank you

Answer 1

4y^2 + 2y
-(7y^2 - 3y)
-----------
When subtracting, change the sign of the subtrahend and add algebraically. Therefore, this becomes
4y^2 + 2y
-7y^2 + 3y
-----------
-3y^2 + 5y

Answer 2

thank you very much