Question

find the sum or difference.
(5h^3+8h-9)-(6h^3+6h-4)

Answer 1

first distribute, then group and combine like terms to simplify


(5h^3+8h-9)-(6h^3+6h-4)


5h^3+8h-9-6h^3-6h+4


(5h^3-6h^3)+(8h-6h)+(-9+4)


(-1h^3)+(2h)+(-5)


-h^3+2h-5