Expand
x^{2}+7xy+6y^{2}
Evaluate
\left(x+y\right)\left(x+6y\right)
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x^{2}+6xy+yx+6y^{2}
Apply the distributive property by multiplying each term of x+y by each term of x+6y.
x^{2}+7xy+6y^{2}
Combine 6xy and yx to get 7xy.
x^{2}+6xy+yx+6y^{2}
Apply the distributive property by multiplying each term of x+y by each term of x+6y.
x^{2}+7xy+6y^{2}
Combine 6xy and yx to get 7xy.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
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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
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
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