SOLUTION: factor 125x^3 - y^3

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Question 2769: factor 125x^3 - y^3
Answer by gsmani_iyer(180) About Me  (Show Source):
You can put this solution on YOUR website!


Before solving any problem on factorisation, one must know all the formulae by heart. Here,
a%5E3+-+b%5E3 = %28a+-+b%29%28a%5E2+%2B+ab+%2B+b%5E2%29

125x%5E3+-+y%5E3 = %285x%29%5E3+-+y%5E3

= %285x+-+y%29%28%285x%29%5E2+%2B+5xy+%2B+y%5E2%29 Answer.


gsm.