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Simplifying 0.3214x2 + -4.6571x + 30.6 = 0.3259x2 + -5.5339 + 43.3 Reorder the terms: 30.6 + -4.6571x + 0.3214x2 = 0.3259x2 + -5.5339 + 43.3 Reorder the terms: 30.6 + -4.6571x + 0.3214x2 = -5.5339 + 43.3 + 0.3259x2 Combine like terms: -5.5339 + 43.3 = 37.7661 30.6 + -4.6571x + 0.3214x2 = 37.7661 + 0.3259x2 Solving 30.6 + -4.6571x + 0.3214x2 = 37.7661 + 0.3259x2 Solving for variable 'x'. Reorder the terms: 30.6 + -37.7661 + -4.6571x + 0.3214x2 + -0.3259x2 = 37.7661 + 0.3259x2 + -37.7661 + -0.3259x2 Combine like terms: 30.6 + -37.7661 = -7.1661 -7.1661 + -4.6571x + 0.3214x2 + -0.3259x2 = 37.7661 + 0.3259x2 + -37.7661 + -0.3259x2 Combine like terms: 0.3214x2 + -0.3259x2 = -0.0045x2 -7.1661 + -4.6571x + -0.0045x2 = 37.7661 + 0.3259x2 + -37.7661 + -0.3259x2 Reorder the terms: -7.1661 + -4.6571x + -0.0045x2 = 37.7661 + -37.7661 + 0.3259x2 + -0.3259x2 Combine like terms: 37.7661 + -37.7661 = 0.0000 -7.1661 + -4.6571x + -0.0045x2 = 0.0000 + 0.3259x2 + -0.3259x2 -7.1661 + -4.6571x + -0.0045x2 = 0.3259x2 + -0.3259x2 Combine like terms: 0.3259x2 + -0.3259x2 = 0.0000 -7.1661 + -4.6571x + -0.0045x2 = 0.0000 Begin completing the square. Divide all terms by -0.0045 the coefficient of the squared term: Divide each side by '-0.0045'. 1592.466667 + 1034.911111x + x2 = 0 Move the constant term to the right: Add '-1592.466667' to each side of the equation. 1592.466667 + 1034.911111x + -1592.466667 + x2 = 0 + -1592.466667 Reorder the terms: 1592.466667 + -1592.466667 + 1034.911111x + x2 = 0 + -1592.466667 Combine like terms: 1592.466667 + -1592.466667 = 0.000000 0.000000 + 1034.911111x + x2 = 0 + -1592.466667 1034.911111x + x2 = 0 + -1592.466667 Combine like terms: 0 + -1592.466667 = -1592.466667 1034.911111x + x2 = -1592.466667 The x term is 1034.911111x. Take half its coefficient (517.4555555). Square it (267760.2519) and add it to both sides. Add '267760.2519' to each side of the equation. 1034.911111x + 267760.2519 + x2 = -1592.466667 + 267760.2519 Reorder the terms: 267760.2519 + 1034.911111x + x2 = -1592.466667 + 267760.2519 Combine like terms: -1592.466667 + 267760.2519 = 266167.785233 267760.2519 + 1034.911111x + x2 = 266167.785233 Factor a perfect square on the left side: (x + 517.4555555)(x + 517.4555555) = 266167.785233 Calculate the square root of the right side: 515.914513493 Break this problem into two subproblems by setting (x + 517.4555555) equal to 515.914513493 and -515.914513493.Subproblem 1
x + 517.4555555 = 515.914513493 Simplifying x + 517.4555555 = 515.914513493 Reorder the terms: 517.4555555 + x = 515.914513493 Solving 517.4555555 + x = 515.914513493 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-517.4555555' to each side of the equation. 517.4555555 + -517.4555555 + x = 515.914513493 + -517.4555555 Combine like terms: 517.4555555 + -517.4555555 = 0.0000000 0.0000000 + x = 515.914513493 + -517.4555555 x = 515.914513493 + -517.4555555 Combine like terms: 515.914513493 + -517.4555555 = -1.541042007 x = -1.541042007 Simplifying x = -1.541042007Subproblem 2
x + 517.4555555 = -515.914513493 Simplifying x + 517.4555555 = -515.914513493 Reorder the terms: 517.4555555 + x = -515.914513493 Solving 517.4555555 + x = -515.914513493 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-517.4555555' to each side of the equation. 517.4555555 + -517.4555555 + x = -515.914513493 + -517.4555555 Combine like terms: 517.4555555 + -517.4555555 = 0.0000000 0.0000000 + x = -515.914513493 + -517.4555555 x = -515.914513493 + -517.4555555 Combine like terms: -515.914513493 + -517.4555555 = -1033.370068993 x = -1033.370068993 Simplifying x = -1033.370068993Solution
The solution to the problem is based on the solutions from the subproblems. x = {-1.541042007, -1033.370068993}
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