Evaluate
\frac{36}{5}=7.2
Factor
\frac{2 ^ {2} \cdot 3 ^ {2}}{5} = 7\frac{1}{5} = 7.2
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\frac{25+3}{5}\times \frac{1\times 7+2}{7}
Multiply 5 and 5 to get 25.
\frac{28}{5}\times \frac{1\times 7+2}{7}
Add 25 and 3 to get 28.
\frac{28}{5}\times \frac{7+2}{7}
Multiply 1 and 7 to get 7.
\frac{28}{5}\times \frac{9}{7}
Add 7 and 2 to get 9.
\frac{28\times 9}{5\times 7}
Multiply \frac{28}{5} times \frac{9}{7} by multiplying numerator times numerator and denominator times denominator.
\frac{252}{35}
Do the multiplications in the fraction \frac{28\times 9}{5\times 7}.
\frac{36}{5}
Reduce the fraction \frac{252}{35} to lowest terms by extracting and canceling out 7.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
699 * 533
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}