Q. 2 B3.7( 12 Votes )

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Answer :

In given expression


Both terms are perfect square


49x2 = 7x × 7x


25y2 = 5y × 5y


49x2-25y2 Seems to be in identity a2-b2 = (a + b)(a-b)


Where a = 7x and b = 5y;


49x2 – 25y2 = (7x + 5y)(7x-5y)


Hence the factors of 49x2 – 25y2 are (7x + 5y) and (7x-5y)


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