by using standard formulae(i) (5x – 3y)3
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Step-by-step explanation:
(5x – 3y)3 = 125x^3 - 27y^3- 3×5x×3y( 5x-3y)
= 125x^3 - 27y^3- 45xy(5x-3y)
=125x^3-27y^3-225x^2y+135xy^2
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yes that answer is write
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