Evaluate 4xy(9x+3y)

Math
4xy(9x+3y)
Apply the distributive property.
4xy(9x)+4xy(3y)
Multiply x by x by adding the exponents.
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Move x.
4(x⋅x)y⋅9+4xy(3y)
Multiply x by x.
4x2y⋅9+4xy(3y)
4x2y⋅9+4xy(3y)
Multiply y by y by adding the exponents.
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Move y.
4x2y⋅9+4x(y⋅y)⋅3
Multiply y by y.
4x2y⋅9+4xy2⋅3
4x2y⋅9+4xy2⋅3
Simplify each term.
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Multiply 9 by 4.
36x2y+4xy2⋅3
Multiply 3 by 4.
36x2y+12xy2
36x2y+12xy2
Evaluate 4xy(9x+3y)

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