Evaluate
\frac{87}{10}=8.7
Factor
\frac{3 \cdot 29}{2 \cdot 5} = 8\frac{7}{10} = 8.7
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\frac{30+3}{10}+\frac{5\times 10+4}{10}
Multiply 3 and 10 to get 30.
\frac{33}{10}+\frac{5\times 10+4}{10}
Add 30 and 3 to get 33.
\frac{33}{10}+\frac{50+4}{10}
Multiply 5 and 10 to get 50.
\frac{33}{10}+\frac{54}{10}
Add 50 and 4 to get 54.
\frac{33+54}{10}
Since \frac{33}{10} and \frac{54}{10} have the same denominator, add them by adding their numerators.
\frac{87}{10}
Add 33 and 54 to get 87.
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Matrix
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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
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