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Simplifying x2 + -12x + -4 = -2 Reorder the terms: -4 + -12x + x2 = -2 Solving -4 + -12x + x2 = -2 Solving for variable 'x'. Reorder the terms: -4 + 2 + -12x + x2 = -2 + 2 Combine like terms: -4 + 2 = -2 -2 + -12x + x2 = -2 + 2 Combine like terms: -2 + 2 = 0 -2 + -12x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '2' to each side of the equation. -2 + -12x + 2 + x2 = 0 + 2 Reorder the terms: -2 + 2 + -12x + x2 = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -12x + x2 = 0 + 2 -12x + x2 = 0 + 2 Combine like terms: 0 + 2 = 2 -12x + x2 = 2 The x term is -12x. Take half its coefficient (-6). Square it (36) and add it to both sides. Add '36' to each side of the equation. -12x + 36 + x2 = 2 + 36 Reorder the terms: 36 + -12x + x2 = 2 + 36 Combine like terms: 2 + 36 = 38 36 + -12x + x2 = 38 Factor a perfect square on the left side: (x + -6)(x + -6) = 38 Calculate the square root of the right side: 6.164414003 Break this problem into two subproblems by setting (x + -6) equal to 6.164414003 and -6.164414003.Subproblem 1
x + -6 = 6.164414003 Simplifying x + -6 = 6.164414003 Reorder the terms: -6 + x = 6.164414003 Solving -6 + x = 6.164414003 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + x = 6.164414003 + 6 Combine like terms: -6 + 6 = 0 0 + x = 6.164414003 + 6 x = 6.164414003 + 6 Combine like terms: 6.164414003 + 6 = 12.164414003 x = 12.164414003 Simplifying x = 12.164414003Subproblem 2
x + -6 = -6.164414003 Simplifying x + -6 = -6.164414003 Reorder the terms: -6 + x = -6.164414003 Solving -6 + x = -6.164414003 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + x = -6.164414003 + 6 Combine like terms: -6 + 6 = 0 0 + x = -6.164414003 + 6 x = -6.164414003 + 6 Combine like terms: -6.164414003 + 6 = -0.164414003 x = -0.164414003 Simplifying x = -0.164414003Solution
The solution to the problem is based on the solutions from the subproblems. x = {12.164414003, -0.164414003}
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