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22 December, 03:54

What is the positive solution to the equation 0 = - x2 + 2x + 1? Quadratic formula: x = StartFraction negative b plus or minus StartRoot b squared minus 4 a c EndRoot Over 2 a EndFraction - 2 + StartRoot 2 EndRoot 2 - StartRoot 2 EndRoot 1 + StartRoot 2 EndRoot - 1 + StartRoot 2 EndRoot

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  1. 22 December, 07:42
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    x = 1 + sqrt 2

    Step-by-step explanation
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