Expand
x^{2}+12xy+x+27y^{2}+9y
Evaluate
\left(x+9y\right)\left(x+3y+1\right)
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x^{2}+3xy+x+9yx+27y^{2}+9y
Apply the distributive property by multiplying each term of x+9y by each term of x+3y+1.
x^{2}+12xy+x+27y^{2}+9y
Combine 3xy and 9yx to get 12xy.
x^{2}+3xy+x+9yx+27y^{2}+9y
Apply the distributive property by multiplying each term of x+9y by each term of x+3y+1.
x^{2}+12xy+x+27y^{2}+9y
Combine 3xy and 9yx to get 12xy.
Examples
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Limits
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