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Simplifying 18x2 + -25x + 36 = 0 Reorder the terms: 36 + -25x + 18x2 = 0 Solving 36 + -25x + 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'. 2 + -1.388888889x + x2 = 0 Move the constant term to the right: Add '-2' to each side of the equation. 2 + -1.388888889x + -2 + x2 = 0 + -2 Reorder the terms: 2 + -2 + -1.388888889x + x2 = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1.388888889x + x2 = 0 + -2 -1.388888889x + x2 = 0 + -2 Combine like terms: 0 + -2 = -2 -1.388888889x + x2 = -2 The x term is -1.388888889x. Take half its coefficient (-0.6944444445). Square it (0.4822530865) and add it to both sides. Add '0.4822530865' to each side of the equation. -1.388888889x + 0.4822530865 + x2 = -2 + 0.4822530865 Reorder the terms: 0.4822530865 + -1.388888889x + x2 = -2 + 0.4822530865 Combine like terms: -2 + 0.4822530865 = -1.5177469135 0.4822530865 + -1.388888889x + x2 = -1.5177469135 Factor a perfect square on the left side: (x + -0.6944444445)(x + -0.6944444445) = -1.5177469135 Can't calculate square root of the right side. The solution to this equation could not be determined.
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