Evaluate
\frac{x+4}{\left(x-1\right)\left(x+7\right)}
Expand
\frac{x+4}{\left(x-1\right)\left(x+7\right)}
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\frac{x+4}{x^{2}-x+7x-7}
Apply the distributive property by multiplying each term of x+7 by each term of x-1.
\frac{x+4}{x^{2}+6x-7}
Combine -x and 7x to get 6x.
\frac{x+4}{x^{2}-x+7x-7}
Apply the distributive property by multiplying each term of x+7 by each term of x-1.
\frac{x+4}{x^{2}+6x-7}
Combine -x and 7x to get 6x.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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