Evaluate
-\frac{50}{27}\approx -1.851851852
Factor
-\frac{50}{27} = -1\frac{23}{27} = -1.8518518518518519
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\frac{-5}{2.5-\left(-0.2\right)}
Subtract 2.8 from -2.2 to get -5.
\frac{-5}{2.5+0.2}
The opposite of -0.2 is 0.2.
\frac{-5}{2.7}
Add 2.5 and 0.2 to get 2.7.
\frac{-50}{27}
Expand \frac{-5}{2.7} by multiplying both numerator and the denominator by 10.
-\frac{50}{27}
Fraction \frac{-50}{27} can be rewritten as -\frac{50}{27} by extracting the negative sign.
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}