Evaluate
-\frac{16}{21}\approx -0.761904762
Factor
-\frac{16}{21} = -0.7619047619047619
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-\frac{12}{7}\times \frac{4}{9}
Fraction \frac{-12}{7} can be rewritten as -\frac{12}{7} by extracting the negative sign.
\frac{-12\times 4}{7\times 9}
Multiply -\frac{12}{7} times \frac{4}{9} by multiplying numerator times numerator and denominator times denominator.
\frac{-48}{63}
Do the multiplications in the fraction \frac{-12\times 4}{7\times 9}.
-\frac{16}{21}
Reduce the fraction \frac{-48}{63} to lowest terms by extracting and canceling out 3.
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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
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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Limits
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