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B
4
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C
2−2x
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D
4x−2
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E
6x−1
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Solution
The correct option is E6x−1 Work with the equation to create 4x2 on one side. √3−2x=√2x+1 (√3−2x)2=(√2x+1)2 square both sides 3−2x=2x+2√2x+1 2−4x=2√2x move all non-square-root terms to one side (i.e., subtract 2x and 1) 1−2x=√2x divide both sides by 2 (1−2x)2=(√2x)2 square both sides 1−4x+4x2=2x 4x2=6x−1 isolate the 4x2 (add 4x and subtract 1 from both sides)