Find the cube of (2x + 3y) 3
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the answer is....
The formula is...[ a cube + 3a square b + 3a b square + b cube ]
2x cube + 3×(2x) square×3y + 3×(2x)×(3y) square +3y cube= 8x cube + 36yx square + 54xy square + 27y cube
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