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Simplifying 2(x + -6) + -1(x + -8)(3x + 1) = 0 Reorder the terms: 2(-6 + x) + -1(x + -8)(3x + 1) = 0 (-6 * 2 + x * 2) + -1(x + -8)(3x + 1) = 0 (-12 + 2x) + -1(x + -8)(3x + 1) = 0 Reorder the terms: -12 + 2x + -1(-8 + x)(3x + 1) = 0 Reorder the terms: -12 + 2x + -1(-8 + x)(1 + 3x) = 0 Multiply (-8 + x) * (1 + 3x) -12 + 2x + -1(-8(1 + 3x) + x(1 + 3x)) = 0 -12 + 2x + -1((1 * -8 + 3x * -8) + x(1 + 3x)) = 0 -12 + 2x + -1((-8 + -24x) + x(1 + 3x)) = 0 -12 + 2x + -1(-8 + -24x + (1 * x + 3x * x)) = 0 -12 + 2x + -1(-8 + -24x + (1x + 3x2)) = 0 Combine like terms: -24x + 1x = -23x -12 + 2x + -1(-8 + -23x + 3x2) = 0 -12 + 2x + (-8 * -1 + -23x * -1 + 3x2 * -1) = 0 -12 + 2x + (8 + 23x + -3x2) = 0 Reorder the terms: -12 + 8 + 2x + 23x + -3x2 = 0 Combine like terms: -12 + 8 = -4 -4 + 2x + 23x + -3x2 = 0 Combine like terms: 2x + 23x = 25x -4 + 25x + -3x2 = 0 Solving -4 + 25x + -3x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by -3 the coefficient of the squared term: Divide each side by '-3'. 1.333333333 + -8.333333333x + x2 = 0 Move the constant term to the right: Add '-1.333333333' to each side of the equation. 1.333333333 + -8.333333333x + -1.333333333 + x2 = 0 + -1.333333333 Reorder the terms: 1.333333333 + -1.333333333 + -8.333333333x + x2 = 0 + -1.333333333 Combine like terms: 1.333333333 + -1.333333333 = 0.000000000 0.000000000 + -8.333333333x + x2 = 0 + -1.333333333 -8.333333333x + x2 = 0 + -1.333333333 Combine like terms: 0 + -1.333333333 = -1.333333333 -8.333333333x + x2 = -1.333333333 The x term is -8.333333333x. Take half its coefficient (-4.166666667). Square it (17.36111111) and add it to both sides. Add '17.36111111' to each side of the equation. -8.333333333x + 17.36111111 + x2 = -1.333333333 + 17.36111111 Reorder the terms: 17.36111111 + -8.333333333x + x2 = -1.333333333 + 17.36111111 Combine like terms: -1.333333333 + 17.36111111 = 16.027777777 17.36111111 + -8.333333333x + x2 = 16.027777777 Factor a perfect square on the left side: (x + -4.166666667)(x + -4.166666667) = 16.027777777 Calculate the square root of the right side: 4.003470716 Break this problem into two subproblems by setting (x + -4.166666667) equal to 4.003470716 and -4.003470716.Subproblem 1
x + -4.166666667 = 4.003470716 Simplifying x + -4.166666667 = 4.003470716 Reorder the terms: -4.166666667 + x = 4.003470716 Solving -4.166666667 + x = 4.003470716 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4.166666667' to each side of the equation. -4.166666667 + 4.166666667 + x = 4.003470716 + 4.166666667 Combine like terms: -4.166666667 + 4.166666667 = 0.000000000 0.000000000 + x = 4.003470716 + 4.166666667 x = 4.003470716 + 4.166666667 Combine like terms: 4.003470716 + 4.166666667 = 8.170137383 x = 8.170137383 Simplifying x = 8.170137383Subproblem 2
x + -4.166666667 = -4.003470716 Simplifying x + -4.166666667 = -4.003470716 Reorder the terms: -4.166666667 + x = -4.003470716 Solving -4.166666667 + x = -4.003470716 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4.166666667' to each side of the equation. -4.166666667 + 4.166666667 + x = -4.003470716 + 4.166666667 Combine like terms: -4.166666667 + 4.166666667 = 0.000000000 0.000000000 + x = -4.003470716 + 4.166666667 x = -4.003470716 + 4.166666667 Combine like terms: -4.003470716 + 4.166666667 = 0.163195951 x = 0.163195951 Simplifying x = 0.163195951Solution
The solution to the problem is based on the solutions from the subproblems. x = {8.170137383, 0.163195951}
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