Evaluate
-\frac{4a-1}{x+1}
Expand
-\frac{4a-1}{x+1}
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1\times \frac{\left(4a-1\right)^{2}}{\left(-x-1\right)\left(4a-1\right)}
Factor the expressions that are not already factored in \frac{16a^{2}-8a+1}{1-4a+x-4ax}.
1\times \frac{4a-1}{-x-1}
Cancel out 4a-1 in both numerator and denominator.
\frac{4a-1}{-x-1}
Express 1\times \frac{4a-1}{-x-1} as a single fraction.
1\times \frac{\left(4a-1\right)^{2}}{\left(-x-1\right)\left(4a-1\right)}
Factor the expressions that are not already factored in \frac{16a^{2}-8a+1}{1-4a+x-4ax}.
1\times \frac{4a-1}{-x-1}
Cancel out 4a-1 in both numerator and denominator.
\frac{4a-1}{-x-1}
Express 1\times \frac{4a-1}{-x-1} as a single fraction.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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y = 3x + 4
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Matrix
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
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
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}