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Simplifying (3x + -2)(3x + -2) = 26 Reorder the terms: (-2 + 3x)(3x + -2) = 26 Reorder the terms: (-2 + 3x)(-2 + 3x) = 26 Multiply (-2 + 3x) * (-2 + 3x) (-2(-2 + 3x) + 3x * (-2 + 3x)) = 26 ((-2 * -2 + 3x * -2) + 3x * (-2 + 3x)) = 26 ((4 + -6x) + 3x * (-2 + 3x)) = 26 (4 + -6x + (-2 * 3x + 3x * 3x)) = 26 (4 + -6x + (-6x + 9x2)) = 26 Combine like terms: -6x + -6x = -12x (4 + -12x + 9x2) = 26 Solving 4 + -12x + 9x2 = 26 Solving for variable 'x'. Reorder the terms: 4 + -26 + -12x + 9x2 = 26 + -26 Combine like terms: 4 + -26 = -22 -22 + -12x + 9x2 = 26 + -26 Combine like terms: 26 + -26 = 0 -22 + -12x + 9x2 = 0 Begin completing the square. Divide all terms by 9 the coefficient of the squared term: Divide each side by '9'. -2.444444444 + -1.333333333x + x2 = 0 Move the constant term to the right: Add '2.444444444' to each side of the equation. -2.444444444 + -1.333333333x + 2.444444444 + x2 = 0 + 2.444444444 Reorder the terms: -2.444444444 + 2.444444444 + -1.333333333x + x2 = 0 + 2.444444444 Combine like terms: -2.444444444 + 2.444444444 = 0.000000000 0.000000000 + -1.333333333x + x2 = 0 + 2.444444444 -1.333333333x + x2 = 0 + 2.444444444 Combine like terms: 0 + 2.444444444 = 2.444444444 -1.333333333x + x2 = 2.444444444 The x term is -1.333333333x. Take half its coefficient (-0.6666666665). Square it (0.4444444442) and add it to both sides. Add '0.4444444442' to each side of the equation. -1.333333333x + 0.4444444442 + x2 = 2.444444444 + 0.4444444442 Reorder the terms: 0.4444444442 + -1.333333333x + x2 = 2.444444444 + 0.4444444442 Combine like terms: 2.444444444 + 0.4444444442 = 2.8888888882 0.4444444442 + -1.333333333x + x2 = 2.8888888882 Factor a perfect square on the left side: (x + -0.6666666665)(x + -0.6666666665) = 2.8888888882 Calculate the square root of the right side: 1.699673171 Break this problem into two subproblems by setting (x + -0.6666666665) equal to 1.699673171 and -1.699673171.Subproblem 1
x + -0.6666666665 = 1.699673171 Simplifying x + -0.6666666665 = 1.699673171 Reorder the terms: -0.6666666665 + x = 1.699673171 Solving -0.6666666665 + x = 1.699673171 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.6666666665' to each side of the equation. -0.6666666665 + 0.6666666665 + x = 1.699673171 + 0.6666666665 Combine like terms: -0.6666666665 + 0.6666666665 = 0.0000000000 0.0000000000 + x = 1.699673171 + 0.6666666665 x = 1.699673171 + 0.6666666665 Combine like terms: 1.699673171 + 0.6666666665 = 2.3663398375 x = 2.3663398375 Simplifying x = 2.3663398375Subproblem 2
x + -0.6666666665 = -1.699673171 Simplifying x + -0.6666666665 = -1.699673171 Reorder the terms: -0.6666666665 + x = -1.699673171 Solving -0.6666666665 + x = -1.699673171 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.6666666665' to each side of the equation. -0.6666666665 + 0.6666666665 + x = -1.699673171 + 0.6666666665 Combine like terms: -0.6666666665 + 0.6666666665 = 0.0000000000 0.0000000000 + x = -1.699673171 + 0.6666666665 x = -1.699673171 + 0.6666666665 Combine like terms: -1.699673171 + 0.6666666665 = -1.0330065045 x = -1.0330065045 Simplifying x = -1.0330065045Solution
The solution to the problem is based on the solutions from the subproblems. x = {2.3663398375, -1.0330065045}
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