Evaluate
-\frac{1}{8}=-0.125
Factor
-\frac{1}{8} = -0.125
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\frac{-20+\left(-4\right)^{2}}{-\frac{1}{2}\left(-4\right)^{3}}
Multiply 5 and -4 to get -20.
\frac{-20+16}{-\frac{1}{2}\left(-4\right)^{3}}
Calculate -4 to the power of 2 and get 16.
\frac{-4}{-\frac{1}{2}\left(-4\right)^{3}}
Add -20 and 16 to get -4.
\frac{-4}{-\frac{1}{2}\left(-64\right)}
Calculate -4 to the power of 3 and get -64.
\frac{-4}{\frac{-\left(-64\right)}{2}}
Express -\frac{1}{2}\left(-64\right) as a single fraction.
\frac{-4}{\frac{64}{2}}
Multiply -1 and -64 to get 64.
\frac{-4}{32}
Divide 64 by 2 to get 32.
-\frac{1}{8}
Reduce the fraction \frac{-4}{32} to lowest terms by extracting and canceling out 4.
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4 \sin \theta \cos \theta = 2 \sin \theta
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y = 3x + 4
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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}