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Simplifying 2x2 + -20x + -59 = 0 Reorder the terms: -59 + -20x + 2x2 = 0 Solving -59 + -20x + 2x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 2 the coefficient of the squared term: Divide each side by '2'. -29.5 + -10x + x2 = 0 Move the constant term to the right: Add '29.5' to each side of the equation. -29.5 + -10x + 29.5 + x2 = 0 + 29.5 Reorder the terms: -29.5 + 29.5 + -10x + x2 = 0 + 29.5 Combine like terms: -29.5 + 29.5 = 0.0 0.0 + -10x + x2 = 0 + 29.5 -10x + x2 = 0 + 29.5 Combine like terms: 0 + 29.5 = 29.5 -10x + x2 = 29.5 The x term is -10x. Take half its coefficient (-5). Square it (25) and add it to both sides. Add '25' to each side of the equation. -10x + 25 + x2 = 29.5 + 25 Reorder the terms: 25 + -10x + x2 = 29.5 + 25 Combine like terms: 29.5 + 25 = 54.5 25 + -10x + x2 = 54.5 Factor a perfect square on the left side: (x + -5)(x + -5) = 54.5 Calculate the square root of the right side: 7.38241153 Break this problem into two subproblems by setting (x + -5) equal to 7.38241153 and -7.38241153.Subproblem 1
x + -5 = 7.38241153 Simplifying x + -5 = 7.38241153 Reorder the terms: -5 + x = 7.38241153 Solving -5 + x = 7.38241153 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + x = 7.38241153 + 5 Combine like terms: -5 + 5 = 0 0 + x = 7.38241153 + 5 x = 7.38241153 + 5 Combine like terms: 7.38241153 + 5 = 12.38241153 x = 12.38241153 Simplifying x = 12.38241153Subproblem 2
x + -5 = -7.38241153 Simplifying x + -5 = -7.38241153 Reorder the terms: -5 + x = -7.38241153 Solving -5 + x = -7.38241153 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + x = -7.38241153 + 5 Combine like terms: -5 + 5 = 0 0 + x = -7.38241153 + 5 x = -7.38241153 + 5 Combine like terms: -7.38241153 + 5 = -2.38241153 x = -2.38241153 Simplifying x = -2.38241153Solution
The solution to the problem is based on the solutions from the subproblems. x = {12.38241153, -2.38241153}
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