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Factorize 9x square - y square using a square -b square formula​

1 Answer

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Explanation:

Factorize : 9x² - y²

Applied Formula = a²- b² = (a + b ) (a - b)

9x²- 1 y² :

= (3x)²– (y)² [ (3x)² = 9x² ]

= (3x+y) (3x–y)

User Dupinder Singh
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