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Simplifying 18x2 + -19x + 216 = 0 Reorder the terms: 216 + -19x + 18x2 = 0 Solving 216 + -19x + 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'. 12 + -1.055555556x + x2 = 0 Move the constant term to the right: Add '-12' to each side of the equation. 12 + -1.055555556x + -12 + x2 = 0 + -12 Reorder the terms: 12 + -12 + -1.055555556x + x2 = 0 + -12 Combine like terms: 12 + -12 = 0 0 + -1.055555556x + x2 = 0 + -12 -1.055555556x + x2 = 0 + -12 Combine like terms: 0 + -12 = -12 -1.055555556x + x2 = -12 The x term is -1.055555556x. Take half its coefficient (-0.527777778). Square it (0.2785493830) and add it to both sides. Add '0.2785493830' to each side of the equation. -1.055555556x + 0.2785493830 + x2 = -12 + 0.2785493830 Reorder the terms: 0.2785493830 + -1.055555556x + x2 = -12 + 0.2785493830 Combine like terms: -12 + 0.2785493830 = -11.721450617 0.2785493830 + -1.055555556x + x2 = -11.721450617 Factor a perfect square on the left side: (x + -0.527777778)(x + -0.527777778) = -11.721450617 Can't calculate square root of the right side. The solution to this equation could not be determined.
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