Evaluate
-\frac{15}{4}=-3.75
Factor
-\frac{15}{4} = -3\frac{3}{4} = -3.75
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\frac{3}{4}\left(-5\right)
Anything divided by one gives itself.
\frac{3\left(-5\right)}{4}
Express \frac{3}{4}\left(-5\right) as a single fraction.
\frac{-15}{4}
Multiply 3 and -5 to get -15.
-\frac{15}{4}
Fraction \frac{-15}{4} can be rewritten as -\frac{15}{4} by extracting the negative sign.
Examples
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4 \sin \theta \cos \theta = 2 \sin \theta
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y = 3x + 4
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\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.
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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