Rewrite as .

Expand using the FOIL Method.

Apply the distributive property.

Apply the distributive property.

Apply the distributive property.

Simplify and combine like terms.

Simplify each term.

Multiply by .

Rewrite using the commutative property of multiplication.

Multiply by .

Multiply by .

Subtract from .

Move .

Subtract from .

Apply the distributive property.

Simplify.

Multiply by .

Multiply by .

Rewrite as .

Expand using the FOIL Method.

Apply the distributive property.

Apply the distributive property.

Apply the distributive property.

Simplify and combine like terms.

Simplify each term.

Multiply by .

Multiply by .

Rewrite using the commutative property of multiplication.

Multiply by .

Rewrite using the commutative property of multiplication.

Multiply by .

Multiply by .

Multiply by .

Subtract from .

Move .

Subtract from .

Apply the distributive property.

Simplify.

Multiply by .

Multiply by .

Multiply by .

Combine the opposite terms in .

Subtract from .

Add and .

Subtract from .

Add and .

Simplify 75(c-3d)^2-27(2c-5d)^2