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X² +4x+1 by completing square |
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Answer» Solve the quadratic equation x^2 + 4x +1 = 0 by COMPLETING the square. The FIRST step is to divide the COEFFICIENT of x by 2, and add this to x (this is our value of 'a' to GO inside our bracket). We then square this value of a and subtract it outside the bracket. We have our equation in completed square form |
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