Trigonometry Examples

Simplify (h(x)(x-1))/(x^3-81x)
Step 1
Simplify the denominator.
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Step 1.1
Factor out of .
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Step 1.1.1
Factor out of .
Step 1.1.2
Factor out of .
Step 1.1.3
Factor out of .
Step 1.2
Rewrite as .
Step 1.3
Since both terms are perfect squares, factor using the difference of squares formula, where and .
Step 2
Cancel the common factor of .
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Step 2.1
Cancel the common factor.
Step 2.2
Rewrite the expression.