Evaluate
138
Factor
2\times 3\times 23
Share
Copied to clipboard
26+12+19+15+12+15+13+14+12
Add 13 and 13 to get 26.
38+19+15+12+15+13+14+12
Add 26 and 12 to get 38.
57+15+12+15+13+14+12
Add 38 and 19 to get 57.
72+12+15+13+14+12
Add 57 and 15 to get 72.
84+15+13+14+12
Add 72 and 12 to get 84.
99+13+14+12
Add 84 and 15 to get 99.
112+14+12
Add 99 and 13 to get 112.
126+12
Add 112 and 14 to get 126.
138
Add 126 and 12 to get 138.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
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}