Evaluate
\frac{247}{30}\approx 8.233333333
Factor
\frac{13 \cdot 19}{2 \cdot 3 \cdot 5} = 8\frac{7}{30} = 8.233333333333333
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\frac{123.5}{15}
Add 116 and 7.5 to get 123.5.
\frac{1235}{150}
Expand \frac{123.5}{15} by multiplying both numerator and the denominator by 10.
\frac{247}{30}
Reduce the fraction \frac{1235}{150} to lowest terms by extracting and canceling out 5.
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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
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