Evaluate
\left(5-x\right)\left(12x+1\right)
Expand
5+59x-12x^{2}
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12x\left(-x\right)+60x-x+5
Apply the distributive property by multiplying each term of 12x+1 by each term of -x+5.
-12xx+60x-x+5
Multiply 12 and -1 to get -12.
-12x^{2}+60x-x+5
Multiply x and x to get x^{2}.
-12x^{2}+59x+5
Combine 60x and -x to get 59x.
12x\left(-x\right)+60x-x+5
Apply the distributive property by multiplying each term of 12x+1 by each term of -x+5.
-12xx+60x-x+5
Multiply 12 and -1 to get -12.
-12x^{2}+60x-x+5
Multiply x and x to get x^{2}.
-12x^{2}+59x+5
Combine 60x and -x to get 59x.
Examples
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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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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}