Apply the distributive property.

Rewrite using the commutative property of multiplication.

Rewrite using the commutative property of multiplication.

Multiply by .

Multiply by by adding the exponents.

Use the power rule to combine exponents.

Add and .

Multiply by .

Multiply by by adding the exponents.

Multiply by .

Raise to the power of .

Use the power rule to combine exponents.

Add and .

Multiply by .

Simplify 3x^2(7x^2+2x-4)