Evaluate
-\frac{25}{36}\approx -0.694444444
Factor
-\frac{25}{36} = -0.6944444444444444
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\frac{\frac{5}{24}}{-\frac{1}{5}-\frac{3}{10}}\sqrt{2+\frac{7}{9}}
Fraction \frac{-1}{5} can be rewritten as -\frac{1}{5} by extracting the negative sign.
\frac{\frac{5}{24}}{-\frac{2}{10}-\frac{3}{10}}\sqrt{2+\frac{7}{9}}
Least common multiple of 5 and 10 is 10. Convert -\frac{1}{5} and \frac{3}{10} to fractions with denominator 10.
\frac{\frac{5}{24}}{\frac{-2-3}{10}}\sqrt{2+\frac{7}{9}}
Since -\frac{2}{10} and \frac{3}{10} have the same denominator, subtract them by subtracting their numerators.
\frac{\frac{5}{24}}{\frac{-5}{10}}\sqrt{2+\frac{7}{9}}
Subtract 3 from -2 to get -5.
\frac{\frac{5}{24}}{-\frac{1}{2}}\sqrt{2+\frac{7}{9}}
Reduce the fraction \frac{-5}{10} to lowest terms by extracting and canceling out 5.
\frac{5}{24}\left(-2\right)\sqrt{2+\frac{7}{9}}
Divide \frac{5}{24} by -\frac{1}{2} by multiplying \frac{5}{24} by the reciprocal of -\frac{1}{2}.
\frac{5\left(-2\right)}{24}\sqrt{2+\frac{7}{9}}
Express \frac{5}{24}\left(-2\right) as a single fraction.
\frac{-10}{24}\sqrt{2+\frac{7}{9}}
Multiply 5 and -2 to get -10.
-\frac{5}{12}\sqrt{2+\frac{7}{9}}
Reduce the fraction \frac{-10}{24} to lowest terms by extracting and canceling out 2.
-\frac{5}{12}\sqrt{\frac{18}{9}+\frac{7}{9}}
Convert 2 to fraction \frac{18}{9}.
-\frac{5}{12}\sqrt{\frac{18+7}{9}}
Since \frac{18}{9} and \frac{7}{9} have the same denominator, add them by adding their numerators.
-\frac{5}{12}\sqrt{\frac{25}{9}}
Add 18 and 7 to get 25.
-\frac{5}{12}\times \frac{5}{3}
Rewrite the square root of the division \frac{25}{9} as the division of square roots \frac{\sqrt{25}}{\sqrt{9}}. Take the square root of both numerator and denominator.
\frac{-5\times 5}{12\times 3}
Multiply -\frac{5}{12} times \frac{5}{3} by multiplying numerator times numerator and denominator times denominator.
\frac{-25}{36}
Do the multiplications in the fraction \frac{-5\times 5}{12\times 3}.
-\frac{25}{36}
Fraction \frac{-25}{36} can be rewritten as -\frac{25}{36} 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}