Evaluate
-2\sqrt{5}-31\approx -35.472135955
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\sqrt{9}\sqrt{27}\left(-\sqrt{3}\right)+\left(-\frac{1}{3}\right)^{-1}+\sqrt{2}\left(-\sqrt{10}\right)-1^{2012}
Calculate -3 to the power of 2 and get 9.
3\sqrt{27}\left(-\sqrt{3}\right)+\left(-\frac{1}{3}\right)^{-1}+\sqrt{2}\left(-\sqrt{10}\right)-1^{2012}
Calculate the square root of 9 and get 3.
3\times 3\sqrt{3}\left(-\sqrt{3}\right)+\left(-\frac{1}{3}\right)^{-1}+\sqrt{2}\left(-\sqrt{10}\right)-1^{2012}
Factor 27=3^{2}\times 3. Rewrite the square root of the product \sqrt{3^{2}\times 3} as the product of square roots \sqrt{3^{2}}\sqrt{3}. Take the square root of 3^{2}.
9\sqrt{3}\left(-\sqrt{3}\right)+\left(-\frac{1}{3}\right)^{-1}+\sqrt{2}\left(-\sqrt{10}\right)-1^{2012}
Multiply 3 and 3 to get 9.
9\sqrt{3}\left(-\sqrt{3}\right)-3+\sqrt{2}\left(-\sqrt{10}\right)-1^{2012}
Calculate -\frac{1}{3} to the power of -1 and get -3.
9\sqrt{3}\left(-\sqrt{3}\right)-3+\sqrt{2}\left(-\sqrt{10}\right)-1
Calculate 1 to the power of 2012 and get 1.
9\sqrt{3}\left(-\sqrt{3}\right)-4+\sqrt{2}\left(-\sqrt{10}\right)
Subtract 1 from -3 to get -4.
-9\sqrt{3}\sqrt{3}-4+\sqrt{2}\left(-1\right)\sqrt{10}
Multiply 9 and -1 to get -9.
-9\times 3-4+\sqrt{2}\left(-1\right)\sqrt{10}
Multiply \sqrt{3} and \sqrt{3} to get 3.
-27-4+\sqrt{2}\left(-1\right)\sqrt{10}
Multiply -9 and 3 to get -27.
-31+\sqrt{2}\left(-1\right)\sqrt{10}
Subtract 4 from -27 to get -31.
-31+\sqrt{2}\left(-1\right)\sqrt{2}\sqrt{5}
Factor 10=2\times 5. Rewrite the square root of the product \sqrt{2\times 5} as the product of square roots \sqrt{2}\sqrt{5}.
-31+2\left(-1\right)\sqrt{5}
Multiply \sqrt{2} and \sqrt{2} to get 2.
-31-2\sqrt{5}
Multiply 2 and -1 to get -2.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
699 * 533
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
\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
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}