Evaluate
\frac{1218}{139}\approx 8.762589928
Factor
\frac{2 \cdot 3 \cdot 7 \cdot 29}{139} = 8\frac{106}{139} = 8.762589928057555
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5.8\times \frac{210}{139}
Divide 5.8 by \frac{139}{210} by multiplying 5.8 by the reciprocal of \frac{139}{210}.
\frac{29}{5}\times \frac{210}{139}
Convert decimal number 5.8 to fraction \frac{58}{10}. Reduce the fraction \frac{58}{10} to lowest terms by extracting and canceling out 2.
\frac{29\times 210}{5\times 139}
Multiply \frac{29}{5} times \frac{210}{139} by multiplying numerator times numerator and denominator times denominator.
\frac{6090}{695}
Do the multiplications in the fraction \frac{29\times 210}{5\times 139}.
\frac{1218}{139}
Reduce the fraction \frac{6090}{695} to lowest terms by extracting and canceling out 5.
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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
\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}