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23m-14n
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23m-14n
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10m-3n-\left(9n-5m\right)+8m-2n
Combine 4m and 6m to get 10m.
10m-3n-9n-\left(-5m\right)+8m-2n
To find the opposite of 9n-5m, find the opposite of each term.
10m-3n-9n+5m+8m-2n
The opposite of -5m is 5m.
10m-12n+5m+8m-2n
Combine -3n and -9n to get -12n.
15m-12n+8m-2n
Combine 10m and 5m to get 15m.
23m-12n-2n
Combine 15m and 8m to get 23m.
23m-14n
Combine -12n and -2n to get -14n.
10m-3n-\left(9n-5m\right)+8m-2n
Combine 4m and 6m to get 10m.
10m-3n-9n-\left(-5m\right)+8m-2n
To find the opposite of 9n-5m, find the opposite of each term.
10m-3n-9n+5m+8m-2n
The opposite of -5m is 5m.
10m-12n+5m+8m-2n
Combine -3n and -9n to get -12n.
15m-12n+8m-2n
Combine 10m and 5m to get 15m.
23m-12n-2n
Combine 15m and 8m to get 23m.
23m-14n
Combine -12n and -2n to get -14n.
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{ x } ^ { 2 } - 4 x - 5 = 0
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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}