Answer
11$y^{3}$ - 18$y^{2}$ + 4y
Work Step by Step
1. Apply distributive property.
-y($y^{2}$ - 4) + 6$y^{2}$(2y - 3) = -$y^{3}$ + 4y + 12$y^{3}$ - 18$y^{2}$
2. Group like terms together.
(-$y^{3}$ + 12$y^{3}$) - 18$y^{2}$ + 4y
3. Add like terms.
11$y^{3}$ - 18$y^{2}$ + 4y
