Evaluate
58
Factor
2\times 29
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5+8+8+2+8+3+8+7+9
Add 3 and 2 to get 5.
13+8+2+8+3+8+7+9
Add 5 and 8 to get 13.
21+2+8+3+8+7+9
Add 13 and 8 to get 21.
23+8+3+8+7+9
Add 21 and 2 to get 23.
31+3+8+7+9
Add 23 and 8 to get 31.
34+8+7+9
Add 31 and 3 to get 34.
42+7+9
Add 34 and 8 to get 42.
49+9
Add 42 and 7 to get 49.
58
Add 49 and 9 to get 58.
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
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