Precalculus Examples

Step 1
Move the negative in front of the fraction.
Step 2
To write as a fraction with a common denominator, multiply by .
Step 3
To write as a fraction with a common denominator, multiply by .
Step 4
Write each expression with a common denominator of , by multiplying each by an appropriate factor of .
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Step 4.1
Multiply by .
Step 4.2
Multiply by .
Step 4.3
Reorder the factors of .
Step 5
Combine the numerators over the common denominator.
Step 6
Simplify the numerator.
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Step 6.1
Multiply by .
Step 6.2
Apply the distributive property.
Step 6.3
Multiply by .
Step 6.4
Subtract from .
Step 7
Simplify with factoring out.
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Step 7.1
Factor out of .
Step 7.2
Rewrite as .
Step 7.3
Factor out of .
Step 7.4
Simplify the expression.
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Step 7.4.1
Rewrite as .
Step 7.4.2
Move the negative in front of the fraction.
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