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Popular >

simplify (x^2-81)/(x+9)

Solution

simplify

\frac{x ^{2} - 81}{x + 9}

Solution

x - 9

Solution steps

\frac{x ^{2} - 81}{x + 9}

Factor

x^{2} - 81 : (x + 9) (x - 9)

= \frac{( x + 9 ) ( x - 9 )}{x + 9}

Cancel the common factor:

x + 9

= x - 9

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Frequently Asked Questions (FAQ)

What is (x^2-81)/(x+9) ?
The solution to (x^2-81)/(x+9) is x-9