Simplify each term.

Apply the distributive property.

Multiply by by adding the exponents.

Move .

Multiply by .

Multiply by .

Add and .

Apply the distributive property.

Rewrite using the commutative property of multiplication.

Multiply by .

Simplify each term.

Multiply by by adding the exponents.

Multiply by .

Raise to the power of .

Use the power rule to combine exponents.

Add and .

Multiply by .

Multiply by .

Simplify each term.

Apply the distributive property.

Multiply by by adding the exponents.

Move .

Multiply by .

Multiply by .

Apply the distributive property.

Multiply by by adding the exponents.

Move .

Multiply by .

Raise to the power of .

Use the power rule to combine exponents.

Add and .

Multiply by .

Add and .

Apply the distributive property.

Simplify.

Multiply by .

Multiply by .

Multiply by .

Add and .

Add and .

Subtract from .

Simplify 3y^3-2y(4y-y(y-3))-(2y(y+1)-3y(y^2-1))