Expand
8x^{2}+10xy-3y^{2}
Evaluate
\left(4x-y\right)\left(2x+3y\right)
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8x^{2}+12xy-2yx-3y^{2}
Apply the distributive property by multiplying each term of 4x-y by each term of 2x+3y.
8x^{2}+10xy-3y^{2}
Combine 12xy and -2yx to get 10xy.
8x^{2}+12xy-2yx-3y^{2}
Apply the distributive property by multiplying each term of 4x-y by each term of 2x+3y.
8x^{2}+10xy-3y^{2}
Combine 12xy and -2yx to get 10xy.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
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
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Limits
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