Evaluate
9x-x_{2}-12
Differentiate w.r.t. x
9
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-x_{2}+8x+x-12
Combine 2x_{2} and -3x_{2} to get -x_{2}.
-x_{2}+9x-12
Combine 8x and x to get 9x.
Examples
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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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Matrix
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Simultaneous equation
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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