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Simplifying 0 = -0.03x2 + 1.02x + 1.8 Reorder the terms: 0 = 1.8 + 1.02x + -0.03x2 Solving 0 = 1.8 + 1.02x + -0.03x2 Solving for variable 'x'. Combine like terms: 0 + -1.8 = -1.8 -1.8 + -1.02x + 0.03x2 = 1.8 + 1.02x + -0.03x2 + -1.8 + -1.02x + 0.03x2 Reorder the terms: -1.8 + -1.02x + 0.03x2 = 1.8 + -1.8 + 1.02x + -1.02x + -0.03x2 + 0.03x2 Combine like terms: 1.8 + -1.8 = 0.0 -1.8 + -1.02x + 0.03x2 = 0.0 + 1.02x + -1.02x + -0.03x2 + 0.03x2 -1.8 + -1.02x + 0.03x2 = 1.02x + -1.02x + -0.03x2 + 0.03x2 Combine like terms: 1.02x + -1.02x = 0.00 -1.8 + -1.02x + 0.03x2 = 0.00 + -0.03x2 + 0.03x2 -1.8 + -1.02x + 0.03x2 = -0.03x2 + 0.03x2 Combine like terms: -0.03x2 + 0.03x2 = 0.00 -1.8 + -1.02x + 0.03x2 = 0.00 Begin completing the square. Divide all terms by 0.03 the coefficient of the squared term: Divide each side by '0.03'. -60 + -34x + x2 = 0 Move the constant term to the right: Add '60' to each side of the equation. -60 + -34x + 60 + x2 = 0 + 60 Reorder the terms: -60 + 60 + -34x + x2 = 0 + 60 Combine like terms: -60 + 60 = 0 0 + -34x + x2 = 0 + 60 -34x + x2 = 0 + 60 Combine like terms: 0 + 60 = 60 -34x + x2 = 60 The x term is -34x. Take half its coefficient (-17). Square it (289) and add it to both sides. Add '289' to each side of the equation. -34x + 289 + x2 = 60 + 289 Reorder the terms: 289 + -34x + x2 = 60 + 289 Combine like terms: 60 + 289 = 349 289 + -34x + x2 = 349 Factor a perfect square on the left side: (x + -17)(x + -17) = 349 Calculate the square root of the right side: 18.681541692 Break this problem into two subproblems by setting (x + -17) equal to 18.681541692 and -18.681541692.Subproblem 1
x + -17 = 18.681541692 Simplifying x + -17 = 18.681541692 Reorder the terms: -17 + x = 18.681541692 Solving -17 + x = 18.681541692 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '17' to each side of the equation. -17 + 17 + x = 18.681541692 + 17 Combine like terms: -17 + 17 = 0 0 + x = 18.681541692 + 17 x = 18.681541692 + 17 Combine like terms: 18.681541692 + 17 = 35.681541692 x = 35.681541692 Simplifying x = 35.681541692Subproblem 2
x + -17 = -18.681541692 Simplifying x + -17 = -18.681541692 Reorder the terms: -17 + x = -18.681541692 Solving -17 + x = -18.681541692 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '17' to each side of the equation. -17 + 17 + x = -18.681541692 + 17 Combine like terms: -17 + 17 = 0 0 + x = -18.681541692 + 17 x = -18.681541692 + 17 Combine like terms: -18.681541692 + 17 = -1.681541692 x = -1.681541692 Simplifying x = -1.681541692Solution
The solution to the problem is based on the solutions from the subproblems. x = {35.681541692, -1.681541692}
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