Evaluate
\frac{98}{75}\approx 1.306666667
Factor
\frac{2 \cdot 7 ^ {2}}{3 \cdot 5 ^ {2}} = 1\frac{23}{75} = 1.3066666666666666
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\frac{-7\left(-14\right)}{5\times 15}
Multiply -\frac{7}{5} times -\frac{14}{15} by multiplying numerator times numerator and denominator times denominator.
\frac{98}{75}
Do the multiplications in the fraction \frac{-7\left(-14\right)}{5\times 15}.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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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
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Limits
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