Finite Math Examples

Step 1
Replace the function designators with the actual functions in .
Step 2
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Step 2.1
Simplify the numerator.
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Step 2.1.1
Rewrite as .
Step 2.1.2
Since both terms are perfect squares, factor using the difference of squares formula, where and .
Step 2.2
Cancel the common factor of .
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Step 2.2.1
Cancel the common factor.
Step 2.2.2
Divide by .
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