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999\left(\frac{90+4}{5}-\frac{1}{5}-\frac{18\times 5+3}{5}\right)
Multiply 18 and 5 to get 90.
999\left(\frac{94}{5}-\frac{1}{5}-\frac{18\times 5+3}{5}\right)
Add 90 and 4 to get 94.
999\left(\frac{94-1}{5}-\frac{18\times 5+3}{5}\right)
Since \frac{94}{5} and \frac{1}{5} have the same denominator, subtract them by subtracting their numerators.
999\left(\frac{93}{5}-\frac{18\times 5+3}{5}\right)
Subtract 1 from 94 to get 93.
999\left(\frac{93}{5}-\frac{90+3}{5}\right)
Multiply 18 and 5 to get 90.
999\left(\frac{93}{5}-\frac{93}{5}\right)
Add 90 and 3 to get 93.
999\times 0
Subtract \frac{93}{5} from \frac{93}{5} to get 0.
0
Multiply 999 and 0 to get 0.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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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
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}