Question 447911
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Hi, Your Answer is correct, please review below
 x^2+2x    + 1 = 5  |completing the square: x^2 + 2x = (x+1)^2 - 1
 {{{(x+1)^2-1 +1 = 5}}}
    (x+1)^2 = 5
     x+1 = ± {{{sqrt(5)}}}
      x = -1 ± {{{sqrt(5)}}}