Evaluate
14
Factor
2\times 7
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2\sqrt{70-21}
Multiply 3 and 7 to get 21.
2\sqrt{49}
Subtract 21 from 70 to get 49.
2\times 7
Calculate the square root of 49 and get 7.
14
Multiply 2 and 7 to get 14.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
699 * 533
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
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Limits
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