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Simplifying 3x2 + -38x + 88 = 0 Reorder the terms: 88 + -38x + 3x2 = 0 Solving 88 + -38x + 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'. 29.33333333 + -12.66666667x + x2 = 0 Move the constant term to the right: Add '-29.33333333' to each side of the equation. 29.33333333 + -12.66666667x + -29.33333333 + x2 = 0 + -29.33333333 Reorder the terms: 29.33333333 + -29.33333333 + -12.66666667x + x2 = 0 + -29.33333333 Combine like terms: 29.33333333 + -29.33333333 = 0.00000000 0.00000000 + -12.66666667x + x2 = 0 + -29.33333333 -12.66666667x + x2 = 0 + -29.33333333 Combine like terms: 0 + -29.33333333 = -29.33333333 -12.66666667x + x2 = -29.33333333 The x term is -12.66666667x. Take half its coefficient (-6.333333335). Square it (40.11111113) and add it to both sides. Add '40.11111113' to each side of the equation. -12.66666667x + 40.11111113 + x2 = -29.33333333 + 40.11111113 Reorder the terms: 40.11111113 + -12.66666667x + x2 = -29.33333333 + 40.11111113 Combine like terms: -29.33333333 + 40.11111113 = 10.7777778 40.11111113 + -12.66666667x + x2 = 10.7777778 Factor a perfect square on the left side: (x + -6.333333335)(x + -6.333333335) = 10.7777778 Calculate the square root of the right side: 3.282952604 Break this problem into two subproblems by setting (x + -6.333333335) equal to 3.282952604 and -3.282952604.Subproblem 1
x + -6.333333335 = 3.282952604 Simplifying x + -6.333333335 = 3.282952604 Reorder the terms: -6.333333335 + x = 3.282952604 Solving -6.333333335 + x = 3.282952604 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6.333333335' to each side of the equation. -6.333333335 + 6.333333335 + x = 3.282952604 + 6.333333335 Combine like terms: -6.333333335 + 6.333333335 = 0.000000000 0.000000000 + x = 3.282952604 + 6.333333335 x = 3.282952604 + 6.333333335 Combine like terms: 3.282952604 + 6.333333335 = 9.616285939 x = 9.616285939 Simplifying x = 9.616285939Subproblem 2
x + -6.333333335 = -3.282952604 Simplifying x + -6.333333335 = -3.282952604 Reorder the terms: -6.333333335 + x = -3.282952604 Solving -6.333333335 + x = -3.282952604 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6.333333335' to each side of the equation. -6.333333335 + 6.333333335 + x = -3.282952604 + 6.333333335 Combine like terms: -6.333333335 + 6.333333335 = 0.000000000 0.000000000 + x = -3.282952604 + 6.333333335 x = -3.282952604 + 6.333333335 Combine like terms: -3.282952604 + 6.333333335 = 3.050380731 x = 3.050380731 Simplifying x = 3.050380731Solution
The solution to the problem is based on the solutions from the subproblems. x = {9.616285939, 3.050380731}
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