(1 - 2x) + (1 - 2x)/(4x + 1) + (x + 3)=1/2
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Answer:
x−12x+1+2x+1x−1=2
(x−1)2+(2x+1)2(x−1)(2x+1)=2
x2−2x+1+4x2+4x+1=2(x−1)(2x+1)
5x2+2x+2=4x2−2x−2
x2+4x+4=0
(x+2)2=0
x=−2,−2
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