Evaluate
\frac{72}{25}=2.88
Factor
\frac{2 ^ {3} \cdot 3 ^ {2}}{5 ^ {2}} = 2\frac{22}{25} = 2.88
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\frac{3}{5}\times \frac{20+4}{5}
Multiply 4 and 5 to get 20.
\frac{3}{5}\times \frac{24}{5}
Add 20 and 4 to get 24.
\frac{3\times 24}{5\times 5}
Multiply \frac{3}{5} times \frac{24}{5} by multiplying numerator times numerator and denominator times denominator.
\frac{72}{25}
Do the multiplications in the fraction \frac{3\times 24}{5\times 5}.
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\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}