Evaluate
-\frac{8142}{5}=-1628.4
Factor
-\frac{8142}{5} = -1628\frac{2}{5} = -1628.4
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0-\frac{4}{10}-1628
Multiply 0 and 2 to get 0.
0-\frac{2}{5}-1628
Reduce the fraction \frac{4}{10} to lowest terms by extracting and canceling out 2.
-\frac{2}{5}-1628
Subtract \frac{2}{5} from 0 to get -\frac{2}{5}.
-\frac{2}{5}-\frac{8140}{5}
Convert 1628 to fraction \frac{8140}{5}.
\frac{-2-8140}{5}
Since -\frac{2}{5} and \frac{8140}{5} have the same denominator, subtract them by subtracting their numerators.
-\frac{8142}{5}
Subtract 8140 from -2 to get -8142.
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}