This expression can be factored:
5b^3(3b + 5)
--------------------
(-1)(5b)
and this version of the original problem is easily reduced to:
-b^2(3b + 5)
Step-by-step explanation:
[tex]\dfrac{15b^4+25b^3}{-5b}=\dfrac{15b^4}{-5b}+\dfrac{25b^3}{-5b}=-3b^3-5b^2[/tex]
