Evaluate
57
Factor
3\times 19
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12+11+16+13+5
Add 5 and 7 to get 12.
23+16+13+5
Add 12 and 11 to get 23.
39+13+5
Add 23 and 16 to get 39.
52+5
Add 39 and 13 to get 52.
57
Add 52 and 5 to get 57.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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Linear equation
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
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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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