Evaluate
\frac{3276}{395}\approx 8.293670886
Factor
\frac{7 \cdot 13 \cdot 2 ^ {2} \cdot 3 ^ {2}}{5 \cdot 79} = 8\frac{116}{395} = 8.29367088607595
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\frac{7.2}{1+\frac{-36}{273}}
Multiply \frac{1}{273} and -36 to get \frac{-36}{273}.
\frac{7.2}{1-\frac{12}{91}}
Reduce the fraction \frac{-36}{273} to lowest terms by extracting and canceling out 3.
\frac{7.2}{\frac{91}{91}-\frac{12}{91}}
Convert 1 to fraction \frac{91}{91}.
\frac{7.2}{\frac{91-12}{91}}
Since \frac{91}{91} and \frac{12}{91} have the same denominator, subtract them by subtracting their numerators.
\frac{7.2}{\frac{79}{91}}
Subtract 12 from 91 to get 79.
7.2\times \frac{91}{79}
Divide 7.2 by \frac{79}{91} by multiplying 7.2 by the reciprocal of \frac{79}{91}.
\frac{36}{5}\times \frac{91}{79}
Convert decimal number 7.2 to fraction \frac{72}{10}. Reduce the fraction \frac{72}{10} to lowest terms by extracting and canceling out 2.
\frac{36\times 91}{5\times 79}
Multiply \frac{36}{5} times \frac{91}{79} by multiplying numerator times numerator and denominator times denominator.
\frac{3276}{395}
Do the multiplications in the fraction \frac{36\times 91}{5\times 79}.
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{ x } ^ { 2 } - 4 x - 5 = 0
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y = 3x + 4
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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
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}