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Simplifying x2 + -10x + -12 = 0 Reorder the terms: -12 + -10x + x2 = 0 Solving -12 + -10x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '12' to each side of the equation. -12 + -10x + 12 + x2 = 0 + 12 Reorder the terms: -12 + 12 + -10x + x2 = 0 + 12 Combine like terms: -12 + 12 = 0 0 + -10x + x2 = 0 + 12 -10x + x2 = 0 + 12 Combine like terms: 0 + 12 = 12 -10x + x2 = 12 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 = 12 + 25 Reorder the terms: 25 + -10x + x2 = 12 + 25 Combine like terms: 12 + 25 = 37 25 + -10x + x2 = 37 Factor a perfect square on the left side: (x + -5)(x + -5) = 37 Calculate the square root of the right side: 6.08276253 Break this problem into two subproblems by setting (x + -5) equal to 6.08276253 and -6.08276253.Subproblem 1
x + -5 = 6.08276253 Simplifying x + -5 = 6.08276253 Reorder the terms: -5 + x = 6.08276253 Solving -5 + x = 6.08276253 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 = 6.08276253 + 5 Combine like terms: -5 + 5 = 0 0 + x = 6.08276253 + 5 x = 6.08276253 + 5 Combine like terms: 6.08276253 + 5 = 11.08276253 x = 11.08276253 Simplifying x = 11.08276253Subproblem 2
x + -5 = -6.08276253 Simplifying x + -5 = -6.08276253 Reorder the terms: -5 + x = -6.08276253 Solving -5 + x = -6.08276253 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 = -6.08276253 + 5 Combine like terms: -5 + 5 = 0 0 + x = -6.08276253 + 5 x = -6.08276253 + 5 Combine like terms: -6.08276253 + 5 = -1.08276253 x = -1.08276253 Simplifying x = -1.08276253Solution
The solution to the problem is based on the solutions from the subproblems. x = {11.08276253, -1.08276253}
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