Evaluate
11
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11
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\frac{15}{-4-6}\times 3\left(-2\right)+2
Calculate 2 to the power of 2 and get 4.
\frac{15}{-10}\times 3\left(-2\right)+2
Subtract 6 from -4 to get -10.
-\frac{3}{2}\times 3\left(-2\right)+2
Reduce the fraction \frac{15}{-10} to lowest terms by extracting and canceling out 5.
\frac{-3\times 3}{2}\left(-2\right)+2
Express -\frac{3}{2}\times 3 as a single fraction.
\frac{-9}{2}\left(-2\right)+2
Multiply -3 and 3 to get -9.
-\frac{9}{2}\left(-2\right)+2
Fraction \frac{-9}{2} can be rewritten as -\frac{9}{2} by extracting the negative sign.
\frac{-9\left(-2\right)}{2}+2
Express -\frac{9}{2}\left(-2\right) as a single fraction.
\frac{18}{2}+2
Multiply -9 and -2 to get 18.
9+2
Divide 18 by 2 to get 9.
11
Add 9 and 2 to get 11.
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}