To write as a fraction with a common denominator, multiply by .

Write each expression with a common denominator of , by multiplying each by an appropriate factor of .

Multiply and .

Multiply by .

Combine the numerators over the common denominator.

Subtract from .

Apply the product rule to .

Raise to the power of .

Raise to the power of .

To write as a fraction with a common denominator, multiply by .

Multiply and .

Multiply by .

Combine the numerators over the common denominator.

Subtract from .

The result can be shown in multiple forms.

Exact Form:

Decimal Form:

Evaluate (7/8-1/2)^2-1/16