-15y^3 15y^2 45y/-15y simplify
\(-15y^3 ,15y^2, 45y/-15y\) \(-15y^3,15y^2,-45*y/15y\) \((-15y^3,15y^2,-(3y^1^+^1)\) \(-15y^3,15y^2,-3y^2\)