Evaluate
-\frac{185}{18}\approx -10.277777778
Factor
-\frac{185}{18} = -10\frac{5}{18} = -10.277777777777779
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-\frac{18+4}{9}-\frac{7\times 6+5}{6}
Multiply 2 and 9 to get 18.
-\frac{22}{9}-\frac{7\times 6+5}{6}
Add 18 and 4 to get 22.
-\frac{22}{9}-\frac{42+5}{6}
Multiply 7 and 6 to get 42.
-\frac{22}{9}-\frac{47}{6}
Add 42 and 5 to get 47.
-\frac{44}{18}-\frac{141}{18}
Least common multiple of 9 and 6 is 18. Convert -\frac{22}{9} and \frac{47}{6} to fractions with denominator 18.
\frac{-44-141}{18}
Since -\frac{44}{18} and \frac{141}{18} have the same denominator, subtract them by subtracting their numerators.
-\frac{185}{18}
Subtract 141 from -44 to get -185.
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}