Evaluate
\frac{x-1}{\left(x+1\right)\left(x+4\right)}
Expand
\frac{x-1}{\left(x+1\right)\left(x+4\right)}
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\frac{x-1}{x^{2}+x+4x+4}
Apply the distributive property by multiplying each term of x+4 by each term of x+1.
\frac{x-1}{x^{2}+5x+4}
Combine x and 4x to get 5x.
\frac{x-1}{x^{2}+x+4x+4}
Apply the distributive property by multiplying each term of x+4 by each term of x+1.
\frac{x-1}{x^{2}+5x+4}
Combine x and 4x to get 5x.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
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y = 3x + 4
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Matrix
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Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
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