(x + 3y)^3

a) x^3 + 3x^2y + 6xy + 9xy^2 + 18y^2 + 27y^3

b)x^3 + 27 y^3

c) 3(x + 3y)

d) x^3 + 9x^2y + 27xy^2 +27y^3

D.........................................................................

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