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Simplifying 3x2 + -52x + 102 = 0 Reorder the terms: 102 + -52x + 3x2 = 0 Solving 102 + -52x + 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'. 34 + -17.33333333x + x2 = 0 Move the constant term to the right: Add '-34' to each side of the equation. 34 + -17.33333333x + -34 + x2 = 0 + -34 Reorder the terms: 34 + -34 + -17.33333333x + x2 = 0 + -34 Combine like terms: 34 + -34 = 0 0 + -17.33333333x + x2 = 0 + -34 -17.33333333x + x2 = 0 + -34 Combine like terms: 0 + -34 = -34 -17.33333333x + x2 = -34 The x term is -17.33333333x. Take half its coefficient (-8.666666665). Square it (75.11111108) and add it to both sides. Add '75.11111108' to each side of the equation. -17.33333333x + 75.11111108 + x2 = -34 + 75.11111108 Reorder the terms: 75.11111108 + -17.33333333x + x2 = -34 + 75.11111108 Combine like terms: -34 + 75.11111108 = 41.11111108 75.11111108 + -17.33333333x + x2 = 41.11111108 Factor a perfect square on the left side: (x + -8.666666665)(x + -8.666666665) = 41.11111108 Calculate the square root of the right side: 6.411794685 Break this problem into two subproblems by setting (x + -8.666666665) equal to 6.411794685 and -6.411794685.Subproblem 1
x + -8.666666665 = 6.411794685 Simplifying x + -8.666666665 = 6.411794685 Reorder the terms: -8.666666665 + x = 6.411794685 Solving -8.666666665 + x = 6.411794685 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '8.666666665' to each side of the equation. -8.666666665 + 8.666666665 + x = 6.411794685 + 8.666666665 Combine like terms: -8.666666665 + 8.666666665 = 0.000000000 0.000000000 + x = 6.411794685 + 8.666666665 x = 6.411794685 + 8.666666665 Combine like terms: 6.411794685 + 8.666666665 = 15.07846135 x = 15.07846135 Simplifying x = 15.07846135Subproblem 2
x + -8.666666665 = -6.411794685 Simplifying x + -8.666666665 = -6.411794685 Reorder the terms: -8.666666665 + x = -6.411794685 Solving -8.666666665 + x = -6.411794685 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '8.666666665' to each side of the equation. -8.666666665 + 8.666666665 + x = -6.411794685 + 8.666666665 Combine like terms: -8.666666665 + 8.666666665 = 0.000000000 0.000000000 + x = -6.411794685 + 8.666666665 x = -6.411794685 + 8.666666665 Combine like terms: -6.411794685 + 8.666666665 = 2.25487198 x = 2.25487198 Simplifying x = 2.25487198Solution
The solution to the problem is based on the solutions from the subproblems. x = {15.07846135, 2.25487198}
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