Evaluate
16
Factor
2^{4}
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\frac{70+1}{5}+\frac{2\times 5+2}{5}-\frac{3}{5}
Multiply 14 and 5 to get 70.
\frac{71}{5}+\frac{2\times 5+2}{5}-\frac{3}{5}
Add 70 and 1 to get 71.
\frac{71}{5}+\frac{10+2}{5}-\frac{3}{5}
Multiply 2 and 5 to get 10.
\frac{71}{5}+\frac{12}{5}-\frac{3}{5}
Add 10 and 2 to get 12.
\frac{71+12}{5}-\frac{3}{5}
Since \frac{71}{5} and \frac{12}{5} have the same denominator, add them by adding their numerators.
\frac{83}{5}-\frac{3}{5}
Add 71 and 12 to get 83.
\frac{83-3}{5}
Since \frac{83}{5} and \frac{3}{5} have the same denominator, subtract them by subtracting their numerators.
\frac{80}{5}
Subtract 3 from 83 to get 80.
16
Divide 80 by 5 to get 16.
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{ x } ^ { 2 } - 4 x - 5 = 0
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y = 3x + 4
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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
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}