Expand Using the Binomial Theorem
- $(x+3 y)^{3}$ A) $3(x+3 y)$ B) $x^{3}+9 x^{2} y+27 x y^{2}+27 y^{3}$

Multiple Choice

Expand using the binomial theorem
- $(x+3 y) ^{3}$

A) $3(x+3 y)$
B) $x^{3}+9 x^{2} y+27 x y^{2}+27 y^{3}$
C) $x^{3}+3 x^{2} y+6 x y+9 x y^{2}+18 y^{2}+27 y^{3}$
D) $x^{3}+27 y^{3}$