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-81
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-81
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\frac{-16}{\frac{4}{9}}\left(-\frac{3}{2}\right)^{2}
Calculate 2 to the power of 4 and get 16.
-16\times \frac{9}{4}\left(-\frac{3}{2}\right)^{2}
Divide -16 by \frac{4}{9} by multiplying -16 by the reciprocal of \frac{4}{9}.
\frac{-16\times 9}{4}\left(-\frac{3}{2}\right)^{2}
Express -16\times \frac{9}{4} as a single fraction.
\frac{-144}{4}\left(-\frac{3}{2}\right)^{2}
Multiply -16 and 9 to get -144.
-36\left(-\frac{3}{2}\right)^{2}
Divide -144 by 4 to get -36.
-36\times \frac{9}{4}
Calculate -\frac{3}{2} to the power of 2 and get \frac{9}{4}.
\frac{-36\times 9}{4}
Express -36\times \frac{9}{4} as a single fraction.
\frac{-324}{4}
Multiply -36 and 9 to get -324.
-81
Divide -324 by 4 to get -81.
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}