Evaluate
\left(2x-y\right)\left(x+3y\right)
Expand
2x^{2}+5xy-3y^{2}
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2x^{2}-xy+6yx-3y^{2}
Apply the distributive property by multiplying each term of x+3y by each term of 2x-y.
2x^{2}+5xy-3y^{2}
Combine -xy and 6yx to get 5xy.
2x^{2}-xy+6yx-3y^{2}
Apply the distributive property by multiplying each term of x+3y by each term of 2x-y.
2x^{2}+5xy-3y^{2}
Combine -xy and 6yx to get 5xy.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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Matrix
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Simultaneous equation
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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