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Simplifying 12x2 + -104x + 133 = 0 Reorder the terms: 133 + -104x + 12x2 = 0 Solving 133 + -104x + 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'. 11.08333333 + -8.666666667x + x2 = 0 Move the constant term to the right: Add '-11.08333333' to each side of the equation. 11.08333333 + -8.666666667x + -11.08333333 + x2 = 0 + -11.08333333 Reorder the terms: 11.08333333 + -11.08333333 + -8.666666667x + x2 = 0 + -11.08333333 Combine like terms: 11.08333333 + -11.08333333 = 0.00000000 0.00000000 + -8.666666667x + x2 = 0 + -11.08333333 -8.666666667x + x2 = 0 + -11.08333333 Combine like terms: 0 + -11.08333333 = -11.08333333 -8.666666667x + x2 = -11.08333333 The x term is -8.666666667x. Take half its coefficient (-4.333333334). Square it (18.77777778) and add it to both sides. Add '18.77777778' to each side of the equation. -8.666666667x + 18.77777778 + x2 = -11.08333333 + 18.77777778 Reorder the terms: 18.77777778 + -8.666666667x + x2 = -11.08333333 + 18.77777778 Combine like terms: -11.08333333 + 18.77777778 = 7.69444445 18.77777778 + -8.666666667x + x2 = 7.69444445 Factor a perfect square on the left side: (x + -4.333333334)(x + -4.333333334) = 7.69444445 Calculate the square root of the right side: 2.773886164 Break this problem into two subproblems by setting (x + -4.333333334) equal to 2.773886164 and -2.773886164.Subproblem 1
x + -4.333333334 = 2.773886164 Simplifying x + -4.333333334 = 2.773886164 Reorder the terms: -4.333333334 + x = 2.773886164 Solving -4.333333334 + x = 2.773886164 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4.333333334' to each side of the equation. -4.333333334 + 4.333333334 + x = 2.773886164 + 4.333333334 Combine like terms: -4.333333334 + 4.333333334 = 0.000000000 0.000000000 + x = 2.773886164 + 4.333333334 x = 2.773886164 + 4.333333334 Combine like terms: 2.773886164 + 4.333333334 = 7.107219498 x = 7.107219498 Simplifying x = 7.107219498Subproblem 2
x + -4.333333334 = -2.773886164 Simplifying x + -4.333333334 = -2.773886164 Reorder the terms: -4.333333334 + x = -2.773886164 Solving -4.333333334 + x = -2.773886164 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4.333333334' to each side of the equation. -4.333333334 + 4.333333334 + x = -2.773886164 + 4.333333334 Combine like terms: -4.333333334 + 4.333333334 = 0.000000000 0.000000000 + x = -2.773886164 + 4.333333334 x = -2.773886164 + 4.333333334 Combine like terms: -2.773886164 + 4.333333334 = 1.55944717 x = 1.55944717 Simplifying x = 1.55944717Solution
The solution to the problem is based on the solutions from the subproblems. x = {7.107219498, 1.55944717}
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