Evaluate
\left(3-2n\right)\left(2m-1\right)
Expand
-4mn+6m+2n-3
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6m-4mn-\left(3-2n\right)
Use the distributive property to multiply 2m by 3-2n.
6m-4mn-3-\left(-2n\right)
To find the opposite of 3-2n, find the opposite of each term.
6m-4mn-3+2n
The opposite of -2n is 2n.
6m-4mn-\left(3-2n\right)
Use the distributive property to multiply 2m by 3-2n.
6m-4mn-3-\left(-2n\right)
To find the opposite of 3-2n, find the opposite of each term.
6m-4mn-3+2n
The opposite of -2n is 2n.
Examples
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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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