Question

find the quotient 63b^4 + 45b^2 over -9b

Answer 1

$\frac{63b^4 + 45b^2}{9b}$
Simplifying is the first step :) 
simplify each side by 9b
63b^4 divided by 9b = 7b^3
45b^2 divided by 9b = 5b
7b^3 + 5b is the answer :)