Question 195078
2 / (x+2)  + 1 / (x+1)  =  1
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LCD  is  (x+2)(x+1),,,,,multiply  all  terms  by  LCD
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2(x+1) + 1(x+2) = (x+2)(x+1)
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2x +2 +x+2  = x^2 +3x +2
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  0 = x^2 +0x -2
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2 = x^2
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x= sqrt2
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checking
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2/ (sqrt2 +2)   + 1/ (sqrt2 +1)  =  1
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.586  +  .414  =1  =1  ,,,,ok