# Precalculus Examples

To write as a fraction with a common denominator, multiply by .
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 .
Combine.
Combine.
Reorder terms.
Combine the numerators over the common denominator.
Simplify the numerator.
Multiply by to get .
Apply the distributive property.
Multiply by to get .
Apply the distributive property.
Multiply by to get .
Multiply by to get .
Remove parentheses.
Subtract from to get .
Subtract from to get .
Simplify with factoring out.
Factor out of .
Rewrite as .
Move .
Multiply by to get .
Rewrite as .
Factor out of .
Simplify the expression.
Rewrite as .
Move the negative in front of the fraction.

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