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13n-17m
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13n-17m
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25m-14n-42m-\left(-27n\right)
To find the opposite of 42m-27n, find the opposite of each term.
25m-14n-42m+27n
The opposite of -27n is 27n.
-17m-14n+27n
Combine 25m and -42m to get -17m.
-17m+13n
Combine -14n and 27n to get 13n.
25m-14n-42m-\left(-27n\right)
To find the opposite of 42m-27n, find the opposite of each term.
25m-14n-42m+27n
The opposite of -27n is 27n.
-17m-14n+27n
Combine 25m and -42m to get -17m.
-17m+13n
Combine -14n and 27n to get 13n.
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{ x } ^ { 2 } - 4 x - 5 = 0
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y = 3x + 4
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Matrix
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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
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