Evaluate
20
Factor
2^{2}\times 5
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\frac{1444-18^{2}}{56}
Calculate 38 to the power of 2 and get 1444.
\frac{1444-324}{56}
Calculate 18 to the power of 2 and get 324.
\frac{1120}{56}
Subtract 324 from 1444 to get 1120.
20
Divide 1120 by 56 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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