Evaluate
\left(12-x\right)\left(x-2\right)
Expand
-x^{2}+14x-24
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12x-x^{2}-24+2x
Apply the distributive property by multiplying each term of x-2 by each term of 12-x.
14x-x^{2}-24
Combine 12x and 2x to get 14x.
12x-x^{2}-24+2x
Apply the distributive property by multiplying each term of x-2 by each term of 12-x.
14x-x^{2}-24
Combine 12x and 2x to get 14x.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
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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
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Limits
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