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Simplifying 6x2 + -19x + 6 = 0 Reorder the terms: 6 + -19x + 6x2 = 0 Solving 6 + -19x + 6x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 6 the coefficient of the squared term: Divide each side by '6'. 1 + -3.166666667x + x2 = 0 Move the constant term to the right: Add '-1' to each side of the equation. 1 + -3.166666667x + -1 + x2 = 0 + -1 Reorder the terms: 1 + -1 + -3.166666667x + x2 = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -3.166666667x + x2 = 0 + -1 -3.166666667x + x2 = 0 + -1 Combine like terms: 0 + -1 = -1 -3.166666667x + x2 = -1 The x term is -3.166666667x. Take half its coefficient (-1.583333334). Square it (2.506944447) and add it to both sides. Add '2.506944447' to each side of the equation. -3.166666667x + 2.506944447 + x2 = -1 + 2.506944447 Reorder the terms: 2.506944447 + -3.166666667x + x2 = -1 + 2.506944447 Combine like terms: -1 + 2.506944447 = 1.506944447 2.506944447 + -3.166666667x + x2 = 1.506944447 Factor a perfect square on the left side: (x + -1.583333334)(x + -1.583333334) = 1.506944447 Calculate the square root of the right side: 1.227576656 Break this problem into two subproblems by setting (x + -1.583333334) equal to 1.227576656 and -1.227576656.Subproblem 1
x + -1.583333334 = 1.227576656 Simplifying x + -1.583333334 = 1.227576656 Reorder the terms: -1.583333334 + x = 1.227576656 Solving -1.583333334 + x = 1.227576656 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.583333334' to each side of the equation. -1.583333334 + 1.583333334 + x = 1.227576656 + 1.583333334 Combine like terms: -1.583333334 + 1.583333334 = 0.000000000 0.000000000 + x = 1.227576656 + 1.583333334 x = 1.227576656 + 1.583333334 Combine like terms: 1.227576656 + 1.583333334 = 2.81090999 x = 2.81090999 Simplifying x = 2.81090999Subproblem 2
x + -1.583333334 = -1.227576656 Simplifying x + -1.583333334 = -1.227576656 Reorder the terms: -1.583333334 + x = -1.227576656 Solving -1.583333334 + x = -1.227576656 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.583333334' to each side of the equation. -1.583333334 + 1.583333334 + x = -1.227576656 + 1.583333334 Combine like terms: -1.583333334 + 1.583333334 = 0.000000000 0.000000000 + x = -1.227576656 + 1.583333334 x = -1.227576656 + 1.583333334 Combine like terms: -1.227576656 + 1.583333334 = 0.355756678 x = 0.355756678 Simplifying x = 0.355756678Solution
The solution to the problem is based on the solutions from the subproblems. x = {2.81090999, 0.355756678}
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