# Precalculus Examples

Find the Standard Form of the Parabola
Simplify each term.
Rewrite as .
Expand using the FOIL Method.
Apply the distributive property.
Apply the distributive property.
Apply the distributive property.
Remove parentheses.
Simplify and combine like terms.
Simplify each term.
Use the power rule to combine exponents.
Simplify .
Write as a fraction with denominator .
Multiply and to get .
Simplify .
Write as a fraction with denominator .
Multiply and to get .
Simplify .
Multiply and to get .
Multiply by to get .
Simplify .
Write as a fraction with denominator .
Multiply and to get .
Apply the distributive property.
Simplify.
Cancel the common factor of .
Write as a fraction with denominator .
Factor out the greatest common factor .
Cancel the common factor.
Rewrite the expression.
Simplify.
Multiply and to get .
Divide by to get .
Cancel the common factor of .
Write as a fraction with denominator .
Factor out the greatest common factor .
Cancel the common factor.
Rewrite the expression.
Multiply and to get .
Simplify the expression.
Combine the numerators over the common denominator.
Multiply by to get .
Subtract from to get .
Divide by to get .

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