Evaluate
-\frac{3}{8}=-0.375
Factor
-\frac{3}{8} = -0.375
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\frac{\left(-3\right)^{3}\times \left(\frac{1}{2}\right)^{5}}{\left(-\frac{3}{2}\right)^{2}}
To multiply powers of the same base, add their exponents. Add 2 and 1 to get 3.
\frac{-27\times \left(\frac{1}{2}\right)^{5}}{\left(-\frac{3}{2}\right)^{2}}
Calculate -3 to the power of 3 and get -27.
\frac{-27\times \frac{1}{32}}{\left(-\frac{3}{2}\right)^{2}}
Calculate \frac{1}{2} to the power of 5 and get \frac{1}{32}.
\frac{\frac{-27}{32}}{\left(-\frac{3}{2}\right)^{2}}
Multiply -27 and \frac{1}{32} to get \frac{-27}{32}.
\frac{-\frac{27}{32}}{\left(-\frac{3}{2}\right)^{2}}
Fraction \frac{-27}{32} can be rewritten as -\frac{27}{32} by extracting the negative sign.
\frac{-\frac{27}{32}}{\frac{9}{4}}
Calculate -\frac{3}{2} to the power of 2 and get \frac{9}{4}.
-\frac{27}{32}\times \frac{4}{9}
Divide -\frac{27}{32} by \frac{9}{4} by multiplying -\frac{27}{32} by the reciprocal of \frac{9}{4}.
\frac{-27\times 4}{32\times 9}
Multiply -\frac{27}{32} times \frac{4}{9} by multiplying numerator times numerator and denominator times denominator.
\frac{-108}{288}
Do the multiplications in the fraction \frac{-27\times 4}{32\times 9}.
-\frac{3}{8}
Reduce the fraction \frac{-108}{288} to lowest terms by extracting and canceling out 36.
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{ x } ^ { 2 } - 4 x - 5 = 0
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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}