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Simplifying (2 + x)(1 + -3x) * 3x + 48x = 0 Reorder the terms for easier multiplication: 3x(2 + x)(1 + -3x) + 48x = 0 Multiply (2 + x) * (1 + -3x) 3x(2(1 + -3x) + x(1 + -3x)) + 48x = 0 3x((1 * 2 + -3x * 2) + x(1 + -3x)) + 48x = 0 3x((2 + -6x) + x(1 + -3x)) + 48x = 0 3x(2 + -6x + (1 * x + -3x * x)) + 48x = 0 3x(2 + -6x + (1x + -3x2)) + 48x = 0 Combine like terms: -6x + 1x = -5x 3x(2 + -5x + -3x2) + 48x = 0 (2 * 3x + -5x * 3x + -3x2 * 3x) + 48x = 0 (6x + -15x2 + -9x3) + 48x = 0 Reorder the terms: 6x + 48x + -15x2 + -9x3 = 0 Combine like terms: 6x + 48x = 54x 54x + -15x2 + -9x3 = 0 Solving 54x + -15x2 + -9x3 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), '3x'. 3x(18 + -5x + -3x2) = 0 Ignore the factor 3.Subproblem 1
Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0Subproblem 2
Set the factor '(18 + -5x + -3x2)' equal to zero and attempt to solve: Simplifying 18 + -5x + -3x2 = 0 Solving 18 + -5x + -3x2 = 0 Begin completing the square. Divide all terms by -3 the coefficient of the squared term: Divide each side by '-3'. -6 + 1.666666667x + x2 = 0 Move the constant term to the right: Add '6' to each side of the equation. -6 + 1.666666667x + 6 + x2 = 0 + 6 Reorder the terms: -6 + 6 + 1.666666667x + x2 = 0 + 6 Combine like terms: -6 + 6 = 0 0 + 1.666666667x + x2 = 0 + 6 1.666666667x + x2 = 0 + 6 Combine like terms: 0 + 6 = 6 1.666666667x + x2 = 6 The x term is 1.666666667x. Take half its coefficient (0.8333333335). Square it (0.6944444447) and add it to both sides. Add '0.6944444447' to each side of the equation. 1.666666667x + 0.6944444447 + x2 = 6 + 0.6944444447 Reorder the terms: 0.6944444447 + 1.666666667x + x2 = 6 + 0.6944444447 Combine like terms: 6 + 0.6944444447 = 6.6944444447 0.6944444447 + 1.666666667x + x2 = 6.6944444447 Factor a perfect square on the left side: (x + 0.8333333335)(x + 0.8333333335) = 6.6944444447 Calculate the square root of the right side: 2.587362449 Break this problem into two subproblems by setting (x + 0.8333333335) equal to 2.587362449 and -2.587362449.Subproblem 1
x + 0.8333333335 = 2.587362449 Simplifying x + 0.8333333335 = 2.587362449 Reorder the terms: 0.8333333335 + x = 2.587362449 Solving 0.8333333335 + x = 2.587362449 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.8333333335' to each side of the equation. 0.8333333335 + -0.8333333335 + x = 2.587362449 + -0.8333333335 Combine like terms: 0.8333333335 + -0.8333333335 = 0.0000000000 0.0000000000 + x = 2.587362449 + -0.8333333335 x = 2.587362449 + -0.8333333335 Combine like terms: 2.587362449 + -0.8333333335 = 1.7540291155 x = 1.7540291155 Simplifying x = 1.7540291155Subproblem 2
x + 0.8333333335 = -2.587362449 Simplifying x + 0.8333333335 = -2.587362449 Reorder the terms: 0.8333333335 + x = -2.587362449 Solving 0.8333333335 + x = -2.587362449 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.8333333335' to each side of the equation. 0.8333333335 + -0.8333333335 + x = -2.587362449 + -0.8333333335 Combine like terms: 0.8333333335 + -0.8333333335 = 0.0000000000 0.0000000000 + x = -2.587362449 + -0.8333333335 x = -2.587362449 + -0.8333333335 Combine like terms: -2.587362449 + -0.8333333335 = -3.4206957825 x = -3.4206957825 Simplifying x = -3.4206957825Solution
The solution to the problem is based on the solutions from the subproblems. x = {1.7540291155, -3.4206957825}Solution
x = {0, 1.7540291155, -3.4206957825}
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