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13 August, 17:28

LCM of polynomials 5y^2 - 80 and y + 4

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  1. 13 August, 19:43
    0
    Facctore each

    5y^2=5*y*y

    80=5*2*2*2*2

    lcm of those are

    5

    5 (y^2-16)

    we can factor this difference of 2 perfect squares

    5 (y-4) (y+4)

    y+4 is the other one

    so the lcm is 5y^2-80
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