Evaluate
\left(x+6y\right)\left(6x-6y+5\right)
Expand
6x^{2}+30xy+5x-36y^{2}+30y
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6x^{2}+36xy-6yx-36y^{2}+5x+30y
Apply the distributive property by multiplying each term of 6x-6y+5 by each term of x+6y.
6x^{2}+30xy-36y^{2}+5x+30y
Combine 36xy and -6yx to get 30xy.
6x^{2}+36xy-6yx-36y^{2}+5x+30y
Apply the distributive property by multiplying each term of 6x-6y+5 by each term of x+6y.
6x^{2}+30xy-36y^{2}+5x+30y
Combine 36xy and -6yx to get 30xy.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
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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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