\frac{ - { 5 }^{ } }{ 7 } \frac{ -2 }{ 1 } \frac{ 2 }{ -3 }
Evaluate
-\frac{20}{21}\approx -0.952380952
Factor
-\frac{20}{21} = -0.9523809523809523
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\frac{-5}{7}\times \frac{-2}{1}\times \frac{2}{-3}
Calculate 5 to the power of 1 and get 5.
-\frac{5}{7}\times \frac{-2}{1}\times \frac{2}{-3}
Fraction \frac{-5}{7} can be rewritten as -\frac{5}{7} by extracting the negative sign.
-\frac{5}{7}\left(-2\right)\times \frac{2}{-3}
Anything divided by one gives itself.
\frac{-5\left(-2\right)}{7}\times \frac{2}{-3}
Express -\frac{5}{7}\left(-2\right) as a single fraction.
\frac{10}{7}\times \frac{2}{-3}
Multiply -5 and -2 to get 10.
\frac{10}{7}\left(-\frac{2}{3}\right)
Fraction \frac{2}{-3} can be rewritten as -\frac{2}{3} by extracting the negative sign.
\frac{10\left(-2\right)}{7\times 3}
Multiply \frac{10}{7} times -\frac{2}{3} by multiplying numerator times numerator and denominator times denominator.
\frac{-20}{21}
Do the multiplications in the fraction \frac{10\left(-2\right)}{7\times 3}.
-\frac{20}{21}
Fraction \frac{-20}{21} can be rewritten as -\frac{20}{21} by extracting the negative sign.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
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.
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}