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X-1/2x+1 + 2x+1/x-1 =2 factories |
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Answer» Step-by-step EXPLANATION: x-1/2x+1+2x+1/x-1=2 (x-1)^2+(2x+1)^2/(x-1)(2x+1)=2 x^2-2x+1+4x^2+4x+1=2(x-1)(2x+1) 5x^2+2x+2=4x^2-2x-2 x^2+4x+4=0 (x+2)^2=0 x= -2 |
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