Enter the coefficients in the boxes to correctly complete the expanded form of (3x+2y)^4?
___x4+ ___x3y+ ____x2y2+ ____xy3+ ____ y4.
expand 3x+2y)^4
81 x^4 + 216 x^3 y + 216 x^2 y^2 + 96 x y^3 + 16 y^4
