Evaluate
-\frac{79}{23}\approx -3.434782609
Factor
-\frac{79}{23} = -3\frac{10}{23} = -3.4347826086956523
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\frac{92}{23}-\frac{171}{23}
Convert 4 to fraction \frac{92}{23}.
\frac{92-171}{23}
Since \frac{92}{23} and \frac{171}{23} have the same denominator, subtract them by subtracting their numerators.
-\frac{79}{23}
Subtract 171 from 92 to get -79.
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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699 * 533
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.
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\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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