Factorise the expression (3x - 5y) cube
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Step-by-step explanation:
(3x -5y) cube
By using identity (a-b)cube = a cube - b cube -3ab (a+b)
(3x) cube - (5y)cube-3*3x*5y(3x-5y)
27x cube -125y cube -45xy(3x-5y)
27x cube -125y cube -135xsquare y +225xy square
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