Evaluate
-\frac{56}{3}\approx -18.666666667
Factor
-\frac{56}{3} = -18\frac{2}{3} = -18.666666666666668
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-8-15+\frac{8}{-3}+4+3
Multiply 5 and -3 to get -15.
-23+\frac{8}{-3}+4+3
Subtract 15 from -8 to get -23.
-23-\frac{8}{3}+4+3
Fraction \frac{8}{-3} can be rewritten as -\frac{8}{3} by extracting the negative sign.
-\frac{69}{3}-\frac{8}{3}+4+3
Convert -23 to fraction -\frac{69}{3}.
\frac{-69-8}{3}+4+3
Since -\frac{69}{3} and \frac{8}{3} have the same denominator, subtract them by subtracting their numerators.
-\frac{77}{3}+4+3
Subtract 8 from -69 to get -77.
-\frac{77}{3}+\frac{12}{3}+3
Convert 4 to fraction \frac{12}{3}.
\frac{-77+12}{3}+3
Since -\frac{77}{3} and \frac{12}{3} have the same denominator, add them by adding their numerators.
-\frac{65}{3}+3
Add -77 and 12 to get -65.
-\frac{65}{3}+\frac{9}{3}
Convert 3 to fraction \frac{9}{3}.
\frac{-65+9}{3}
Since -\frac{65}{3} and \frac{9}{3} have the same denominator, add them by adding their numerators.
-\frac{56}{3}
Add -65 and 9 to get -56.
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}