Hi,

1/x^2+3x+2 + x/x+2 = 1/2

   |Multiplying thru by  so as all denominators = 1

 2 + 2x(x+1) = (x+1)(x+2)

 2 + 2x^2+ 2x = x^2 + 3x + 2

     x^2 - x = 0

    x(x-1) = 0,  x = 0   0r  x = -1 

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