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Simplifying 18x2 + -1x + 75 = 0 Reorder the terms: 75 + -1x + 18x2 = 0 Solving 75 + -1x + 18x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 18 the coefficient of the squared term: Divide each side by '18'. 4.166666667 + -0.05555555556x + x2 = 0 Move the constant term to the right: Add '-4.166666667' to each side of the equation. 4.166666667 + -0.05555555556x + -4.166666667 + x2 = 0 + -4.166666667 Reorder the terms: 4.166666667 + -4.166666667 + -0.05555555556x + x2 = 0 + -4.166666667 Combine like terms: 4.166666667 + -4.166666667 = 0.000000000 0.000000000 + -0.05555555556x + x2 = 0 + -4.166666667 -0.05555555556x + x2 = 0 + -4.166666667 Combine like terms: 0 + -4.166666667 = -4.166666667 -0.05555555556x + x2 = -4.166666667 The x term is -0.05555555556x. Take half its coefficient (-0.02777777778). Square it (0.0007716049384) and add it to both sides. Add '0.0007716049384' to each side of the equation. -0.05555555556x + 0.0007716049384 + x2 = -4.166666667 + 0.0007716049384 Reorder the terms: 0.0007716049384 + -0.05555555556x + x2 = -4.166666667 + 0.0007716049384 Combine like terms: -4.166666667 + 0.0007716049384 = -4.1658950620616 0.0007716049384 + -0.05555555556x + x2 = -4.1658950620616 Factor a perfect square on the left side: (x + -0.02777777778)(x + -0.02777777778) = -4.1658950620616 Can't calculate square root of the right side. The solution to this equation could not be determined.
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