Evaluate
\left(3x-2m\right)\left(x+m\right)
Expand
3x^{2}+mx-2m^{2}
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3x^{2}-2xm+3mx-2m^{2}
Apply the distributive property by multiplying each term of x+m by each term of 3x-2m.
3x^{2}+xm-2m^{2}
Combine -2xm and 3mx to get xm.
3x^{2}-2xm+3mx-2m^{2}
Apply the distributive property by multiplying each term of x+m by each term of 3x-2m.
3x^{2}+xm-2m^{2}
Combine -2xm and 3mx to get xm.
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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