To answer question 8.0% i had the same one i'm pretty sure it correct
Steps to solve:
(-5q^2 + 6q + 7) - (-q^2 + 4q)
~Distribute the left side
-5q^2 + 6q + 7 + q^2 - 4q
~Combine like terms
-4q^2 + 2q + 7
Best of Luck!
Do you mean the phythagorus theorum: a squared + b squared= c squared
