Finite Math Examples

Simplify (x^3-729)/(x-9)
Step 1
Simplify the numerator.
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Step 1.1
Rewrite as .
Step 1.2
Since both terms are perfect cubes, factor using the difference of cubes formula, where and .
Step 1.3
Simplify.
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Step 1.3.1
Move to the left of .
Step 1.3.2
Raise to the power of .
Step 2
Cancel the common factor of .
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Step 2.1
Cancel the common factor.
Step 2.2
Divide by .