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factotise:- 9x²+6x-1+25y²

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factotise:- 9x²+6x-1+25y²

Posted by Piyush Singh 8 years, 5 months ago

CBSE > Class 09 > Mathematics

1 answers

Payal Singh 8 years, 5 months ago

{tex}9x^2+6x+1-25y^2{/tex}

{tex}= (3x)^2+2\times 3x\times 1+(1)^2-(5y)^2{/tex}

{tex}= (3x+1)^2-(5y)^2{/tex}

{tex}= (3x+1-5y)(3x+1+5y){/tex}

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Don't post personal information, mobile numbers and other details.
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CBSE > Class 09 > Mathematics