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Simplifying 3x2 + -35x + -19 + -9 = 0 Reorder the terms: -19 + -9 + -35x + 3x2 = 0 Combine like terms: -19 + -9 = -28 -28 + -35x + 3x2 = 0 Solving -28 + -35x + 3x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. -9.333333333 + -11.66666667x + x2 = 0 Move the constant term to the right: Add '9.333333333' to each side of the equation. -9.333333333 + -11.66666667x + 9.333333333 + x2 = 0 + 9.333333333 Reorder the terms: -9.333333333 + 9.333333333 + -11.66666667x + x2 = 0 + 9.333333333 Combine like terms: -9.333333333 + 9.333333333 = 0.000000000 0.000000000 + -11.66666667x + x2 = 0 + 9.333333333 -11.66666667x + x2 = 0 + 9.333333333 Combine like terms: 0 + 9.333333333 = 9.333333333 -11.66666667x + x2 = 9.333333333 The x term is -11.66666667x. Take half its coefficient (-5.833333335). Square it (34.02777780) and add it to both sides. Add '34.02777780' to each side of the equation. -11.66666667x + 34.02777780 + x2 = 9.333333333 + 34.02777780 Reorder the terms: 34.02777780 + -11.66666667x + x2 = 9.333333333 + 34.02777780 Combine like terms: 9.333333333 + 34.02777780 = 43.361111133 34.02777780 + -11.66666667x + x2 = 43.361111133 Factor a perfect square on the left side: (x + -5.833333335)(x + -5.833333335) = 43.361111133 Calculate the square root of the right side: 6.584915423 Break this problem into two subproblems by setting (x + -5.833333335) equal to 6.584915423 and -6.584915423.Subproblem 1
x + -5.833333335 = 6.584915423 Simplifying x + -5.833333335 = 6.584915423 Reorder the terms: -5.833333335 + x = 6.584915423 Solving -5.833333335 + x = 6.584915423 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5.833333335' to each side of the equation. -5.833333335 + 5.833333335 + x = 6.584915423 + 5.833333335 Combine like terms: -5.833333335 + 5.833333335 = 0.000000000 0.000000000 + x = 6.584915423 + 5.833333335 x = 6.584915423 + 5.833333335 Combine like terms: 6.584915423 + 5.833333335 = 12.418248758 x = 12.418248758 Simplifying x = 12.418248758Subproblem 2
x + -5.833333335 = -6.584915423 Simplifying x + -5.833333335 = -6.584915423 Reorder the terms: -5.833333335 + x = -6.584915423 Solving -5.833333335 + x = -6.584915423 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5.833333335' to each side of the equation. -5.833333335 + 5.833333335 + x = -6.584915423 + 5.833333335 Combine like terms: -5.833333335 + 5.833333335 = 0.000000000 0.000000000 + x = -6.584915423 + 5.833333335 x = -6.584915423 + 5.833333335 Combine like terms: -6.584915423 + 5.833333335 = -0.751582088 x = -0.751582088 Simplifying x = -0.751582088Solution
The solution to the problem is based on the solutions from the subproblems. x = {12.418248758, -0.751582088}
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