30w^3 -6w---------------6w
\(\frac{30w^3-6w}{6w} = \frac{6w(5w^2-1)}{6w} =5w^2-1\)
first simplify the numerator by dividing by the greatest common factor
3w^3-6w= 6w(5w^2-1)_________________________6w
the 6w can be divided in the numerator and denominator and cancel out=
5w^2-1
hope this helps
