Evaluate
-\frac{1}{9}\approx -0.111111111
Factor
-\frac{1}{9} = -0.1111111111111111
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\frac{-1+17}{2\left(-72\right)}
Calculate the square root of 289 and get 17.
\frac{16}{2\left(-72\right)}
Add -1 and 17 to get 16.
\frac{16}{-144}
Multiply 2 and -72 to get -144.
-\frac{1}{9}
Reduce the fraction \frac{16}{-144} to lowest terms by extracting and canceling out 16.
Examples
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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
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