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Factorise : (4x+5y)² -1

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Factorise : (4x+5y)² -1

    • Posted by Tanupreet Kaur 5 years, 2 months ago

    CBSE > Class 08 > Mathematics
    • 1 answers

    Yogita Ingle 5 years, 2 months ago

    a2 - b2 = (a -b)(a +b)

     (4x+5y)² -1

    =  (4x+5y)² -(1)2

    = (4x+ 5y -1) (4x + 5y + 1)

    1Thank You

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