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Simplifying 18x2 + -18x + 8 = x2 Reorder the terms: 8 + -18x + 18x2 = x2 Solving 8 + -18x + 18x2 = x2 Solving for variable 'x'. Combine like terms: 18x2 + -1x2 = 17x2 8 + -18x + 17x2 = x2 + -1x2 Combine like terms: x2 + -1x2 = 0 8 + -18x + 17x2 = 0 Begin completing the square. Divide all terms by 17 the coefficient of the squared term: Divide each side by '17'. 0.4705882353 + -1.058823529x + x2 = 0 Move the constant term to the right: Add '-0.4705882353' to each side of the equation. 0.4705882353 + -1.058823529x + -0.4705882353 + x2 = 0 + -0.4705882353 Reorder the terms: 0.4705882353 + -0.4705882353 + -1.058823529x + x2 = 0 + -0.4705882353 Combine like terms: 0.4705882353 + -0.4705882353 = 0.0000000000 0.0000000000 + -1.058823529x + x2 = 0 + -0.4705882353 -1.058823529x + x2 = 0 + -0.4705882353 Combine like terms: 0 + -0.4705882353 = -0.4705882353 -1.058823529x + x2 = -0.4705882353 The x term is -1.058823529x. Take half its coefficient (-0.5294117645). Square it (0.2802768164) and add it to both sides. Add '0.2802768164' to each side of the equation. -1.058823529x + 0.2802768164 + x2 = -0.4705882353 + 0.2802768164 Reorder the terms: 0.2802768164 + -1.058823529x + x2 = -0.4705882353 + 0.2802768164 Combine like terms: -0.4705882353 + 0.2802768164 = -0.1903114189 0.2802768164 + -1.058823529x + x2 = -0.1903114189 Factor a perfect square on the left side: (x + -0.5294117645)(x + -0.5294117645) = -0.1903114189 Can't calculate square root of the right side. The solution to this equation could not be determined.
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