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Simplifying 12x2 + -38x + 3 = 0 Reorder the terms: 3 + -38x + 12x2 = 0 Solving 3 + -38x + 12x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 12 the coefficient of the squared term: Divide each side by '12'. 0.25 + -3.166666667x + x2 = 0 Move the constant term to the right: Add '-0.25' to each side of the equation. 0.25 + -3.166666667x + -0.25 + x2 = 0 + -0.25 Reorder the terms: 0.25 + -0.25 + -3.166666667x + x2 = 0 + -0.25 Combine like terms: 0.25 + -0.25 = 0.00 0.00 + -3.166666667x + x2 = 0 + -0.25 -3.166666667x + x2 = 0 + -0.25 Combine like terms: 0 + -0.25 = -0.25 -3.166666667x + x2 = -0.25 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 = -0.25 + 2.506944447 Reorder the terms: 2.506944447 + -3.166666667x + x2 = -0.25 + 2.506944447 Combine like terms: -0.25 + 2.506944447 = 2.256944447 2.506944447 + -3.166666667x + x2 = 2.256944447 Factor a perfect square on the left side: (x + -1.583333334)(x + -1.583333334) = 2.256944447 Calculate the square root of the right side: 1.502313032 Break this problem into two subproblems by setting (x + -1.583333334) equal to 1.502313032 and -1.502313032.Subproblem 1
x + -1.583333334 = 1.502313032 Simplifying x + -1.583333334 = 1.502313032 Reorder the terms: -1.583333334 + x = 1.502313032 Solving -1.583333334 + x = 1.502313032 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 = 1.502313032 + 1.583333334 Combine like terms: -1.583333334 + 1.583333334 = 0.000000000 0.000000000 + x = 1.502313032 + 1.583333334 x = 1.502313032 + 1.583333334 Combine like terms: 1.502313032 + 1.583333334 = 3.085646366 x = 3.085646366 Simplifying x = 3.085646366Subproblem 2
x + -1.583333334 = -1.502313032 Simplifying x + -1.583333334 = -1.502313032 Reorder the terms: -1.583333334 + x = -1.502313032 Solving -1.583333334 + x = -1.502313032 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 = -1.502313032 + 1.583333334 Combine like terms: -1.583333334 + 1.583333334 = 0.000000000 0.000000000 + x = -1.502313032 + 1.583333334 x = -1.502313032 + 1.583333334 Combine like terms: -1.502313032 + 1.583333334 = 0.081020302 x = 0.081020302 Simplifying x = 0.081020302Solution
The solution to the problem is based on the solutions from the subproblems. x = {3.085646366, 0.081020302}
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