Rewrite as .

Since both terms are perfect squares, factor using the difference of squares formula, where and .

Cancel the common factor of and .

Factor out of .

Rewrite as .

Factor out of .

Reorder terms.

Cancel the common factor.

Divide by .

Simplify by multiplying through.

Apply the distributive property.

Simplify the expression.

Move to the left of .

Multiply by .

Rewrite as .

Simplify (y^2-64)/(8-y)