Evaluate
186
Factor
2\times 3\times 31
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-15\left(-12-\frac{2}{5}\right)
Multiply 6 and -2 to get -12.
-15\left(-\frac{60}{5}-\frac{2}{5}\right)
Convert -12 to fraction -\frac{60}{5}.
-15\times \frac{-60-2}{5}
Since -\frac{60}{5} and \frac{2}{5} have the same denominator, subtract them by subtracting their numerators.
-15\left(-\frac{62}{5}\right)
Subtract 2 from -60 to get -62.
\frac{-15\left(-62\right)}{5}
Express -15\left(-\frac{62}{5}\right) as a single fraction.
\frac{930}{5}
Multiply -15 and -62 to get 930.
186
Divide 930 by 5 to get 186.
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}