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20 May, 04:12

If x=y+1, then x^2-2 (y+1) ^2 = ?

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  1. 20 May, 04:22
    0
    -x^2

    Step-by-step explanation:

    If x = y+1 then

    x^2-2 (y+1) ^2 = x^2-2 (x) ^2

    = - x^2
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