+ ( 2 m ) + ( + 6 n ) + ( - m ) - ( - n ) + ( 3 m ) - ( 4 n
Evaluate
4m+3n
Differentiate w.r.t. m
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m+6n-\left(-n\right)+3m-4n
Combine 2m and -m to get m.
m+6n+n+3m-4n
Multiply -1 and -1 to get 1.
m+7n+3m-4n
Combine 6n and n to get 7n.
4m+7n-4n
Combine m and 3m to get 4m.
4m+3n
Combine 7n and -4n to get 3n.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
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}