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Simplifying (-2.7x2) + (30x) + -5.5 = 0 Reorder the terms: -5.5 + (30x) + (-2.7x2) = 0 Solving -5.5 + (30x) + (-2.7x2) = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by -2.7 the coefficient of the squared term: Divide each side by '-2.7'. 2.037037037 + (-11.11111111x) + x2 = 0 Move the constant term to the right: Add '-2.037037037' to each side of the equation. 2.037037037 + (-11.11111111x) + -2.037037037 + x2 = 0 + -2.037037037 Reorder the terms: 2.037037037 + -2.037037037 + (-11.11111111x) + x2 = 0 + -2.037037037 Combine like terms: 2.037037037 + -2.037037037 = 0.000000000 0.000000000 + (-11.11111111x) + x2 = 0 + -2.037037037 (-11.11111111x) + x2 = 0 + -2.037037037 Combine like terms: 0 + -2.037037037 = -2.037037037 (-11.11111111x) + x2 = -2.037037037 The x term is (-11.11111111x). Take half its coefficient (-5.555555555). Square it (30.86419752) and add it to both sides. Add '30.86419752' to each side of the equation. (-11.11111111x) + 30.86419752 + x2 = -2.037037037 + 30.86419752 Reorder the terms: 30.86419752 + (-11.11111111x) + x2 = -2.037037037 + 30.86419752 Combine like terms: -2.037037037 + 30.86419752 = 28.827160483 30.86419752 + (-11.11111111x) + x2 = 28.827160483 Factor a perfect square on the left side: ((x) + -5.555555555)((x) + -5.555555555) = 28.827160483 Calculate the square root of the right side: 5.369093078 Break this problem into two subproblems by setting ((x) + -5.555555555) equal to 5.369093078 and -5.369093078.Subproblem 1
(x) + -5.555555555 = 5.369093078 Simplifying (x) + -5.555555555 = 5.369093078 x + -5.555555555 = 5.369093078 Reorder the terms: -5.555555555 + x = 5.369093078 Solving -5.555555555 + x = 5.369093078 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5.555555555' to each side of the equation. -5.555555555 + 5.555555555 + x = 5.369093078 + 5.555555555 Combine like terms: -5.555555555 + 5.555555555 = 0.000000000 0.000000000 + x = 5.369093078 + 5.555555555 x = 5.369093078 + 5.555555555 Combine like terms: 5.369093078 + 5.555555555 = 10.924648633 x = 10.924648633 Simplifying x = 10.924648633Subproblem 2
(x) + -5.555555555 = -5.369093078 Simplifying (x) + -5.555555555 = -5.369093078 x + -5.555555555 = -5.369093078 Reorder the terms: -5.555555555 + x = -5.369093078 Solving -5.555555555 + x = -5.369093078 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5.555555555' to each side of the equation. -5.555555555 + 5.555555555 + x = -5.369093078 + 5.555555555 Combine like terms: -5.555555555 + 5.555555555 = 0.000000000 0.000000000 + x = -5.369093078 + 5.555555555 x = -5.369093078 + 5.555555555 Combine like terms: -5.369093078 + 5.555555555 = 0.186462477 x = 0.186462477 Simplifying x = 0.186462477Solution
The solution to the problem is based on the solutions from the subproblems. x = {10.924648633, 0.186462477}
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