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Popular >

simplify (x^2+4x-21)/(x-3)

Solution

simplify

\frac{x ^{2} + 4 x - 21}{x - 3}

Solution

x + 7

Solution steps

\frac{x ^{2} + 4 x - 21}{x - 3}

Factor

x^{2} + 4 x - 21 : (x - 3) (x + 7)

= \frac{( x - 3 ) ( x + 7 )}{x - 3}

Cancel the common factor:

x - 3

= x + 7

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Frequently Asked Questions (FAQ)

What is (x^2+4x-21)/(x-3) ?
The solution to (x^2+4x-21)/(x-3) is x+7