Write the following cubes in expanded form
$(3 x+2 y)^{3}$
Write the following cubes in expanded form
$(3 x+2 y)^{3}$
$=(3 x)^{3}+(2 y)^{3}+3(3 x)(2 y)(3 x+2 y)$
$=27 x^{3}+8 y^{3}+18 x y(3 x+2 y)$
$=27 x^{3}+8 y^{3}+54 x^{2} y+36 x y^{2}$
Similar Questions
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