Evaluate
-19
Factor
-19
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-8-\left(-5\right)-2-30-12-\left(-28\right)
Subtract 14 from 6 to get -8.
-8+5-2-30-12-\left(-28\right)
The opposite of -5 is 5.
-3-2-30-12-\left(-28\right)
Add -8 and 5 to get -3.
-5-30-12-\left(-28\right)
Subtract 2 from -3 to get -5.
-35-12-\left(-28\right)
Subtract 30 from -5 to get -35.
-47-\left(-28\right)
Subtract 12 from -35 to get -47.
-47+28
The opposite of -28 is 28.
-19
Add -47 and 28 to get -19.
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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
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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
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