Answers

  • Brainly User
2016-06-16T22:57:54+08:00
SOLUTION:

(2x-1)² = 7

 \sqrt{(2x-1) ^{2} } =  \sqrt{7}

2x - 1 =  \sqrt{7}

2x = 1 \frac{+}{-}  \sqrt{7}

x  =  \frac{1+ \sqrt{7} }{2} and  \frac{1- \sqrt{7} }{2}
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