Factorise 27x3 +125y3

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Factorise 27x3 +125y3

Posted by Sakshi Ranjan 5 years, 7 months ago

CBSE > Class 09 > Mathematics

1 answers

Yogita Ingle 5 years, 7 months ago

27x³+125y³=(3x)³+(5y)³
so , by using formula
x³+y³=(x+y)(x²-xy+y²)

(3x+5y)(9x²-15xy+25y²)

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