Math, asked by tajmohamad7719, 2 months ago

please solve this question

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Answered by PhoenixAnish

2

49x² - 9

= 49x² + 21x - 21x -9

= 7x( 7x + 3 ) - 3( 7x + 3 )

= (7x + 3) ( 7x - 3 )

Answer - = (7x + 3) ( 7x - 3 )

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