Evaluate
9
Factor
3^{2}
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-\frac{24}{5}\times \frac{-15}{8}
Fraction \frac{-24}{5} can be rewritten as -\frac{24}{5} by extracting the negative sign.
-\frac{24}{5}\left(-\frac{15}{8}\right)
Fraction \frac{-15}{8} can be rewritten as -\frac{15}{8} by extracting the negative sign.
\frac{-24\left(-15\right)}{5\times 8}
Multiply -\frac{24}{5} times -\frac{15}{8} by multiplying numerator times numerator and denominator times denominator.
\frac{360}{40}
Do the multiplications in the fraction \frac{-24\left(-15\right)}{5\times 8}.
9
Divide 360 by 40 to get 9.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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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}