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Factorise 125 x³+8y³+z³-30xyz

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Factorise 125 x³+8y³+z³-30xyz

Posted by Edward Padhaku 5 years ago

CBSE > Class 09 > Mathematics

1 answers

Yogita Ingle 5 years ago

(5x)³+(2y)³+(z)³-30xyz

=(5x+2y+z)[(5x)²+(2y)²+(z)²-(5x×2y)-

=(2y×z)-(5x×z)]

= (5x+2y+z)(25x²+4y²+z² -10xy - 2yz- 5xz)

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CBSE > Class 09 > Mathematics