Evaluate
22
Factor
2\times 11
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5\times 9-4+2-7-\left(13+6-5\right)
Add 6 and 3 to get 9.
45-4+2-7-\left(13+6-5\right)
Multiply 5 and 9 to get 45.
41+2-7-\left(13+6-5\right)
Subtract 4 from 45 to get 41.
43-7-\left(13+6-5\right)
Add 41 and 2 to get 43.
36-\left(13+6-5\right)
Subtract 7 from 43 to get 36.
36-\left(19-5\right)
Add 13 and 6 to get 19.
36-14
Subtract 5 from 19 to get 14.
22
Subtract 14 from 36 to get 22.
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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
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}