Evaluate
-\frac{21}{10}=-2.1
Factor
-\frac{21}{10} = -2\frac{1}{10} = -2.1
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-\frac{3}{10}\times 7
Fraction \frac{-3}{10} can be rewritten as -\frac{3}{10} by extracting the negative sign.
\frac{-3\times 7}{10}
Express -\frac{3}{10}\times 7 as a single fraction.
\frac{-21}{10}
Multiply -3 and 7 to get -21.
-\frac{21}{10}
Fraction \frac{-21}{10} can be rewritten as -\frac{21}{10} by extracting the negative sign.
Examples
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Matrix
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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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