Evaluate
4
Factor
2^{2}
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\frac{11\times 4}{2\times 4+3}
Divide 11 by \frac{2\times 4+3}{4} by multiplying 11 by the reciprocal of \frac{2\times 4+3}{4}.
\frac{44}{2\times 4+3}
Multiply 11 and 4 to get 44.
\frac{44}{8+3}
Multiply 2 and 4 to get 8.
\frac{44}{11}
Add 8 and 3 to get 11.
4
Divide 44 by 11 to get 4.
Examples
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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
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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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