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Simplifying 4(2 + -6x) + -6 = 8x[-1(3x + -11) + 20] (2 * 4 + -6x * 4) + -6 = 8x[-1(3x + -11) + 20] (8 + -24x) + -6 = 8x[-1(3x + -11) + 20] Reorder the terms: 8 + -6 + -24x = 8x[-1(3x + -11) + 20] Combine like terms: 8 + -6 = 2 2 + -24x = 8x[-1(3x + -11) + 20] Reorder the terms: 2 + -24x = 8x[-1(-11 + 3x) + 20] 2 + -24x = 8x[(-11 * -1 + 3x * -1) + 20] 2 + -24x = 8x[(11 + -3x) + 20] Reorder the terms: 2 + -24x = 8x[11 + 20 + -3x] Combine like terms: 11 + 20 = 31 2 + -24x = 8x[31 + -3x] 2 + -24x = [31 * 8x + -3x * 8x] 2 + -24x = [248x + -24x2] Solving 2 + -24x = 248x + -24x2 Solving for variable 'x'. Combine like terms: -24x + -248x = -272x 2 + -272x + 24x2 = 248x + -24x2 + -248x + 24x2 Reorder the terms: 2 + -272x + 24x2 = 248x + -248x + -24x2 + 24x2 Combine like terms: 248x + -248x = 0 2 + -272x + 24x2 = 0 + -24x2 + 24x2 2 + -272x + 24x2 = -24x2 + 24x2 Combine like terms: -24x2 + 24x2 = 0 2 + -272x + 24x2 = 0 Factor out the Greatest Common Factor (GCF), '2'. 2(1 + -136x + 12x2) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(1 + -136x + 12x2)' equal to zero and attempt to solve: Simplifying 1 + -136x + 12x2 = 0 Solving 1 + -136x + 12x2 = 0 Begin completing the square. Divide all terms by 12 the coefficient of the squared term: Divide each side by '12'. 0.08333333333 + -11.33333333x + x2 = 0 Move the constant term to the right: Add '-0.08333333333' to each side of the equation. 0.08333333333 + -11.33333333x + -0.08333333333 + x2 = 0 + -0.08333333333 Reorder the terms: 0.08333333333 + -0.08333333333 + -11.33333333x + x2 = 0 + -0.08333333333 Combine like terms: 0.08333333333 + -0.08333333333 = 0.00000000000 0.00000000000 + -11.33333333x + x2 = 0 + -0.08333333333 -11.33333333x + x2 = 0 + -0.08333333333 Combine like terms: 0 + -0.08333333333 = -0.08333333333 -11.33333333x + x2 = -0.08333333333 The x term is -11.33333333x. Take half its coefficient (-5.666666665). Square it (32.11111109) and add it to both sides. Add '32.11111109' to each side of the equation. -11.33333333x + 32.11111109 + x2 = -0.08333333333 + 32.11111109 Reorder the terms: 32.11111109 + -11.33333333x + x2 = -0.08333333333 + 32.11111109 Combine like terms: -0.08333333333 + 32.11111109 = 32.02777775667 32.11111109 + -11.33333333x + x2 = 32.02777775667 Factor a perfect square on the left side: (x + -5.666666665)(x + -5.666666665) = 32.02777775667 Calculate the square root of the right side: 5.659308947 Break this problem into two subproblems by setting (x + -5.666666665) equal to 5.659308947 and -5.659308947.Subproblem 1
x + -5.666666665 = 5.659308947 Simplifying x + -5.666666665 = 5.659308947 Reorder the terms: -5.666666665 + x = 5.659308947 Solving -5.666666665 + x = 5.659308947 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5.666666665' to each side of the equation. -5.666666665 + 5.666666665 + x = 5.659308947 + 5.666666665 Combine like terms: -5.666666665 + 5.666666665 = 0.000000000 0.000000000 + x = 5.659308947 + 5.666666665 x = 5.659308947 + 5.666666665 Combine like terms: 5.659308947 + 5.666666665 = 11.325975612 x = 11.325975612 Simplifying x = 11.325975612Subproblem 2
x + -5.666666665 = -5.659308947 Simplifying x + -5.666666665 = -5.659308947 Reorder the terms: -5.666666665 + x = -5.659308947 Solving -5.666666665 + x = -5.659308947 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5.666666665' to each side of the equation. -5.666666665 + 5.666666665 + x = -5.659308947 + 5.666666665 Combine like terms: -5.666666665 + 5.666666665 = 0.000000000 0.000000000 + x = -5.659308947 + 5.666666665 x = -5.659308947 + 5.666666665 Combine like terms: -5.659308947 + 5.666666665 = 0.007357718 x = 0.007357718 Simplifying x = 0.007357718Solution
The solution to the problem is based on the solutions from the subproblems. x = {11.325975612, 0.007357718}Solution
x = {11.325975612, 0.007357718}
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