Precalculus Examples

Expand the series for each value of .
Simplify each term.
Tap for more steps...
Cancel the common factor of .
Tap for more steps...
Write as a fraction with denominator .
Factor out the greatest common factor .
Cancel the common factor.
Rewrite the expression.
Simplify.
Tap for more steps...
Multiply and .
Divide by .
Simplify .
Tap for more steps...
Write as a fraction with denominator .
Multiply and .
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 .
Tap for more steps...
Combine.
Multiply by .
Combine the numerators over the common denominator.
Simplify the numerator.
Tap for more steps...
Multiply by .
Add and .
The result can be shown in both exact and decimal forms.
Exact Form:
Decimal Form:
Mixed Number Form:
Enter YOUR Problem
Mathway requires javascript and a modern browser.