Evaluate
142
Factor
2\times 71
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100+6\left(12+8\times 5-15\times 3\right)
Subtract 1 from 6 to get 5.
100+6\left(12+40-15\times 3\right)
Multiply 8 and 5 to get 40.
100+6\left(52-15\times 3\right)
Add 12 and 40 to get 52.
100+6\left(52-45\right)
Multiply 15 and 3 to get 45.
100+6\times 7
Subtract 45 from 52 to get 7.
100+42
Multiply 6 and 7 to get 42.
142
Add 100 and 42 to get 142.
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}