Evaluate
10\sqrt{23}+4\approx 51.958315233
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2\left(2+\sqrt{575}\right)
Calculate the square root of 4 and get 2.
2\left(2+5\sqrt{23}\right)
Factor 575=5^{2}\times 23. Rewrite the square root of the product \sqrt{5^{2}\times 23} as the product of square roots \sqrt{5^{2}}\sqrt{23}. Take the square root of 5^{2}.
4+10\sqrt{23}
Use the distributive property to multiply 2 by 2+5\sqrt{23}.
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.
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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