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Posted by on Sunday, September 16, 2012 at 6:57pm.

a/(a+2)-1 = -(3a+2)/(a^2+4a+4)

  • Math - , Sunday, September 16, 2012 at 8:35pm

    a/(a+2)-1 = -(3a+2)/(a^2+4a+4)
    a/(a+2)-1 = -(3a+2)/((a+2)(a+2))
    multiply each term by (a+2)(a+2)

    a(a+2) - (a+2)(a+2) = -3a-2
    a^1 + 2a - a^2 - 4a - 4 = -3a-2
    a = 2

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