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Simplifying x = (x + -6)(x + 6) Reorder the terms: x = (-6 + x)(x + 6) Reorder the terms: x = (-6 + x)(6 + x) Multiply (-6 + x) * (6 + x) x = (-6(6 + x) + x(6 + x)) x = ((6 * -6 + x * -6) + x(6 + x)) x = ((-36 + -6x) + x(6 + x)) x = (-36 + -6x + (6 * x + x * x)) x = (-36 + -6x + (6x + x2)) Combine like terms: -6x + 6x = 0 x = (-36 + 0 + x2) x = (-36 + x2) Solving x = -36 + x2 Solving for variable 'x'. Reorder the terms: 36 + x + -1x2 = -36 + x2 + 36 + -1x2 Reorder the terms: 36 + x + -1x2 = -36 + 36 + x2 + -1x2 Combine like terms: -36 + 36 = 0 36 + x + -1x2 = 0 + x2 + -1x2 36 + x + -1x2 = x2 + -1x2 Combine like terms: x2 + -1x2 = 0 36 + x + -1x2 = 0 Begin completing the square. Divide all terms by -1 the coefficient of the squared term: Divide each side by '-1'. -36 + -1x + x2 = 0 Move the constant term to the right: Add '36' to each side of the equation. -36 + -1x + 36 + x2 = 0 + 36 Reorder the terms: -36 + 36 + -1x + x2 = 0 + 36 Combine like terms: -36 + 36 = 0 0 + -1x + x2 = 0 + 36 -1x + x2 = 0 + 36 Combine like terms: 0 + 36 = 36 -1x + x2 = 36 The x term is x. Take half its coefficient (0.5). Square it (0.25) and add it to both sides. Add '0.25' to each side of the equation. -1x + 0.25 + x2 = 36 + 0.25 Reorder the terms: 0.25 + -1x + x2 = 36 + 0.25 Combine like terms: 36 + 0.25 = 36.25 0.25 + -1x + x2 = 36.25 Factor a perfect square on the left side: (x + 0.5)(x + 0.5) = 36.25 Calculate the square root of the right side: 6.020797289 Break this problem into two subproblems by setting (x + 0.5) equal to 6.020797289 and -6.020797289.Subproblem 1
x + 0.5 = 6.020797289 Simplifying x + 0.5 = 6.020797289 Reorder the terms: 0.5 + x = 6.020797289 Solving 0.5 + x = 6.020797289 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = 6.020797289 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = 6.020797289 + -0.5 x = 6.020797289 + -0.5 Combine like terms: 6.020797289 + -0.5 = 5.520797289 x = 5.520797289 Simplifying x = 5.520797289Subproblem 2
x + 0.5 = -6.020797289 Simplifying x + 0.5 = -6.020797289 Reorder the terms: 0.5 + x = -6.020797289 Solving 0.5 + x = -6.020797289 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = -6.020797289 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = -6.020797289 + -0.5 x = -6.020797289 + -0.5 Combine like terms: -6.020797289 + -0.5 = -6.520797289 x = -6.520797289 Simplifying x = -6.520797289Solution
The solution to the problem is based on the solutions from the subproblems. x = {5.520797289, -6.520797289}
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