-5x^2+5y^3 x=-5, y=-3
Substitute for the values
-5(5)^2 + 5(-3)^3
do the exponents first
multiply second
then add.
I will be happy to check your answer.
-5(5)^2 + 5(-3)^3
do the exponents first
multiply second
then add.
I will be happy to check your answer.