Evaluate
-5
Factor
-5
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12-\left(16-\left(8-6\right)\right)+4+6-15+3-\left(5-4\right)
Add 4 and 12 to get 16.
12-\left(16-2\right)+4+6-15+3-\left(5-4\right)
Subtract 6 from 8 to get 2.
12-14+4+6-15+3-\left(5-4\right)
Subtract 2 from 16 to get 14.
-2+4+6-15+3-\left(5-4\right)
Subtract 14 from 12 to get -2.
2+6-15+3-\left(5-4\right)
Add -2 and 4 to get 2.
8-15+3-\left(5-4\right)
Add 2 and 6 to get 8.
-7+3-\left(5-4\right)
Subtract 15 from 8 to get -7.
-4-\left(5-4\right)
Add -7 and 3 to get -4.
-4-1
Subtract 4 from 5 to get 1.
-5
Subtract 1 from -4 to get -5.
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
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y = 3x + 4
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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}