Evaluate
20
Factor
2^{2}\times 5
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\frac{720}{\left(6-3\right)!\times 3!}
The factorial of 6 is 720.
\frac{720}{3!\times 3!}
Subtract 3 from 6 to get 3.
\frac{720}{6\times 3!}
The factorial of 3 is 6.
\frac{720}{6\times 6}
The factorial of 3 is 6.
\frac{720}{36}
Multiply 6 and 6 to get 36.
20
Divide 720 by 36 to get 20.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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y = 3x + 4
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Matrix
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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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