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5 October, 23:55

The first three steps of completing the square to solve the quadratic equation x^2 + 4x-6=0, are shown below

Step 1: x^2 + 4x = 6

Step 2: x^2 + 4x + 4 = 6+4

Step 3: (x+2) ^2 = 10

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Answers (1)
  1. 6 October, 03:05
    0
    Answer: x=sqrt10-2, x=-sqrt10-2

    Step-by-step explanation: square root both sides of the equation.

    x+2=sqrt10,-sqrt10

    subtract 2 from both sides of the equation

    x=sqrt10-2, - sqrt10-2
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