Evaluate
5+11x-20xy
Differentiate w.r.t. x
11-20y
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14x+10y-12xy+5-7x-10y-8xy+4x
Add -13 and 18 to get 5.
7x+10y-12xy+5-10y-8xy+4x
Combine 14x and -7x to get 7x.
7x-12xy+5-8xy+4x
Combine 10y and -10y to get 0.
7x-20xy+5+4x
Combine -12xy and -8xy to get -20xy.
11x-20xy+5
Combine 7x and 4x to get 11x.
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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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
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}