Evaluate
-\frac{81}{4}=-20.25
Factor
-\frac{81}{4} = -20\frac{1}{4} = -20.25
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\frac{3}{4}-\frac{84}{4}
Convert 21 to fraction \frac{84}{4}.
\frac{3-84}{4}
Since \frac{3}{4} and \frac{84}{4} have the same denominator, subtract them by subtracting their numerators.
-\frac{81}{4}
Subtract 84 from 3 to get -81.
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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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