Evaluate
a-4c+15
Differentiate w.r.t. a
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a-4c-\left(-12\right)+3
Multiply 4 and -3 to get -12.
a-4c+12+3
The opposite of -12 is 12.
a-4c+15
Add 12 and 3 to get 15.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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y = 3x + 4
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Matrix
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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
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Limits
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