Evaluate
-\frac{2}{9}\approx -0.222222222
Factor
-\frac{2}{9} = -0.2222222222222222
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-18+\frac{32\times 5}{9}
Express 32\times \frac{5}{9} as a single fraction.
-18+\frac{160}{9}
Multiply 32 and 5 to get 160.
-\frac{162}{9}+\frac{160}{9}
Convert -18 to fraction -\frac{162}{9}.
\frac{-162+160}{9}
Since -\frac{162}{9} and \frac{160}{9} have the same denominator, add them by adding their numerators.
-\frac{2}{9}
Add -162 and 160 to get -2.
Examples
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{ 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}