Evaluate
-\frac{91}{3}\approx -30.333333333
Factor
-\frac{91}{3} = -30\frac{1}{3} = -30.333333333333332
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-\frac{25}{3}+5^{2}\left(-1\right)+\frac{\sqrt{36}}{2}
Fraction \frac{25}{-3} can be rewritten as -\frac{25}{3} by extracting the negative sign.
-\frac{25}{3}+25\left(-1\right)+\frac{\sqrt{36}}{2}
Calculate 5 to the power of 2 and get 25.
-\frac{25}{3}-25+\frac{\sqrt{36}}{2}
Multiply 25 and -1 to get -25.
-\frac{25}{3}-\frac{75}{3}+\frac{\sqrt{36}}{2}
Convert 25 to fraction \frac{75}{3}.
\frac{-25-75}{3}+\frac{\sqrt{36}}{2}
Since -\frac{25}{3} and \frac{75}{3} have the same denominator, subtract them by subtracting their numerators.
-\frac{100}{3}+\frac{\sqrt{36}}{2}
Subtract 75 from -25 to get -100.
-\frac{100}{3}+\frac{6}{2}
Calculate the square root of 36 and get 6.
-\frac{100}{3}+3
Divide 6 by 2 to get 3.
-\frac{100}{3}+\frac{9}{3}
Convert 3 to fraction \frac{9}{3}.
\frac{-100+9}{3}
Since -\frac{100}{3} and \frac{9}{3} have the same denominator, add them by adding their numerators.
-\frac{91}{3}
Add -100 and 9 to get -91.
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}