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Simplifying 0.3259x2 + -5.5339x + 43.3 = 0.3214x2 + -4.6571x + 30.6 Reorder the terms: 43.3 + -5.5339x + 0.3259x2 = 0.3214x2 + -4.6571x + 30.6 Reorder the terms: 43.3 + -5.5339x + 0.3259x2 = 30.6 + -4.6571x + 0.3214x2 Solving 43.3 + -5.5339x + 0.3259x2 = 30.6 + -4.6571x + 0.3214x2 Solving for variable 'x'. Reorder the terms: 43.3 + -30.6 + -5.5339x + 4.6571x + 0.3259x2 + -0.3214x2 = 30.6 + -4.6571x + 0.3214x2 + -30.6 + 4.6571x + -0.3214x2 Combine like terms: 43.3 + -30.6 = 12.7 12.7 + -5.5339x + 4.6571x + 0.3259x2 + -0.3214x2 = 30.6 + -4.6571x + 0.3214x2 + -30.6 + 4.6571x + -0.3214x2 Combine like terms: -5.5339x + 4.6571x = -0.8768x 12.7 + -0.8768x + 0.3259x2 + -0.3214x2 = 30.6 + -4.6571x + 0.3214x2 + -30.6 + 4.6571x + -0.3214x2 Combine like terms: 0.3259x2 + -0.3214x2 = 0.0045x2 12.7 + -0.8768x + 0.0045x2 = 30.6 + -4.6571x + 0.3214x2 + -30.6 + 4.6571x + -0.3214x2 Reorder the terms: 12.7 + -0.8768x + 0.0045x2 = 30.6 + -30.6 + -4.6571x + 4.6571x + 0.3214x2 + -0.3214x2 Combine like terms: 30.6 + -30.6 = 0.0 12.7 + -0.8768x + 0.0045x2 = 0.0 + -4.6571x + 4.6571x + 0.3214x2 + -0.3214x2 12.7 + -0.8768x + 0.0045x2 = -4.6571x + 4.6571x + 0.3214x2 + -0.3214x2 Combine like terms: -4.6571x + 4.6571x = 0.0000 12.7 + -0.8768x + 0.0045x2 = 0.0000 + 0.3214x2 + -0.3214x2 12.7 + -0.8768x + 0.0045x2 = 0.3214x2 + -0.3214x2 Combine like terms: 0.3214x2 + -0.3214x2 = 0.0000 12.7 + -0.8768x + 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'. 2822.222222 + -194.8444444x + x2 = 0 Move the constant term to the right: Add '-2822.222222' to each side of the equation. 2822.222222 + -194.8444444x + -2822.222222 + x2 = 0 + -2822.222222 Reorder the terms: 2822.222222 + -2822.222222 + -194.8444444x + x2 = 0 + -2822.222222 Combine like terms: 2822.222222 + -2822.222222 = 0.000000 0.000000 + -194.8444444x + x2 = 0 + -2822.222222 -194.8444444x + x2 = 0 + -2822.222222 Combine like terms: 0 + -2822.222222 = -2822.222222 -194.8444444x + x2 = -2822.222222 The x term is -194.8444444x. Take half its coefficient (-97.4222222). Square it (9491.089378) and add it to both sides. Add '9491.089378' to each side of the equation. -194.8444444x + 9491.089378 + x2 = -2822.222222 + 9491.089378 Reorder the terms: 9491.089378 + -194.8444444x + x2 = -2822.222222 + 9491.089378 Combine like terms: -2822.222222 + 9491.089378 = 6668.867156 9491.089378 + -194.8444444x + x2 = 6668.867156 Factor a perfect square on the left side: (x + -97.4222222)(x + -97.4222222) = 6668.867156 Calculate the square root of the right side: 81.663132171 Break this problem into two subproblems by setting (x + -97.4222222) equal to 81.663132171 and -81.663132171.Subproblem 1
x + -97.4222222 = 81.663132171 Simplifying x + -97.4222222 = 81.663132171 Reorder the terms: -97.4222222 + x = 81.663132171 Solving -97.4222222 + x = 81.663132171 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '97.4222222' to each side of the equation. -97.4222222 + 97.4222222 + x = 81.663132171 + 97.4222222 Combine like terms: -97.4222222 + 97.4222222 = 0.0000000 0.0000000 + x = 81.663132171 + 97.4222222 x = 81.663132171 + 97.4222222 Combine like terms: 81.663132171 + 97.4222222 = 179.085354371 x = 179.085354371 Simplifying x = 179.085354371Subproblem 2
x + -97.4222222 = -81.663132171 Simplifying x + -97.4222222 = -81.663132171 Reorder the terms: -97.4222222 + x = -81.663132171 Solving -97.4222222 + x = -81.663132171 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '97.4222222' to each side of the equation. -97.4222222 + 97.4222222 + x = -81.663132171 + 97.4222222 Combine like terms: -97.4222222 + 97.4222222 = 0.0000000 0.0000000 + x = -81.663132171 + 97.4222222 x = -81.663132171 + 97.4222222 Combine like terms: -81.663132171 + 97.4222222 = 15.759090029 x = 15.759090029 Simplifying x = 15.759090029Solution
The solution to the problem is based on the solutions from the subproblems. x = {179.085354371, 15.759090029}
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