Evaluate
-\frac{211}{18}\approx -11.722222222
Factor
-\frac{211}{18} = -11\frac{13}{18} = -11.722222222222221
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-\frac{36+5}{9}-\frac{7\times 6+1}{6}
Multiply 4 and 9 to get 36.
-\frac{41}{9}-\frac{7\times 6+1}{6}
Add 36 and 5 to get 41.
-\frac{41}{9}-\frac{42+1}{6}
Multiply 7 and 6 to get 42.
-\frac{41}{9}-\frac{43}{6}
Add 42 and 1 to get 43.
-\frac{82}{18}-\frac{129}{18}
Least common multiple of 9 and 6 is 18. Convert -\frac{41}{9} and \frac{43}{6} to fractions with denominator 18.
\frac{-82-129}{18}
Since -\frac{82}{18} and \frac{129}{18} have the same denominator, subtract them by subtracting their numerators.
-\frac{211}{18}
Subtract 129 from -82 to get -211.
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}