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Simplifying 3x3 + -8x2 + x = 0 Reorder the terms: x + -8x2 + 3x3 = 0 Solving x + -8x2 + 3x3 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), 'x'. x(1 + -8x + 3x2) = 0Subproblem 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 '(1 + -8x + 3x2)' equal to zero and attempt to solve: Simplifying 1 + -8x + 3x2 = 0 Solving 1 + -8x + 3x2 = 0 Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. 0.3333333333 + -2.666666667x + x2 = 0 Move the constant term to the right: Add '-0.3333333333' to each side of the equation. 0.3333333333 + -2.666666667x + -0.3333333333 + x2 = 0 + -0.3333333333 Reorder the terms: 0.3333333333 + -0.3333333333 + -2.666666667x + x2 = 0 + -0.3333333333 Combine like terms: 0.3333333333 + -0.3333333333 = 0.0000000000 0.0000000000 + -2.666666667x + x2 = 0 + -0.3333333333 -2.666666667x + x2 = 0 + -0.3333333333 Combine like terms: 0 + -0.3333333333 = -0.3333333333 -2.666666667x + x2 = -0.3333333333 The x term is -2.666666667x. Take half its coefficient (-1.333333334). Square it (1.777777780) and add it to both sides. Add '1.777777780' to each side of the equation. -2.666666667x + 1.777777780 + x2 = -0.3333333333 + 1.777777780 Reorder the terms: 1.777777780 + -2.666666667x + x2 = -0.3333333333 + 1.777777780 Combine like terms: -0.3333333333 + 1.777777780 = 1.4444444467 1.777777780 + -2.666666667x + x2 = 1.4444444467 Factor a perfect square on the left side: (x + -1.333333334)(x + -1.333333334) = 1.4444444467 Calculate the square root of the right side: 1.201850426 Break this problem into two subproblems by setting (x + -1.333333334) equal to 1.201850426 and -1.201850426.Subproblem 1
x + -1.333333334 = 1.201850426 Simplifying x + -1.333333334 = 1.201850426 Reorder the terms: -1.333333334 + x = 1.201850426 Solving -1.333333334 + x = 1.201850426 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.333333334' to each side of the equation. -1.333333334 + 1.333333334 + x = 1.201850426 + 1.333333334 Combine like terms: -1.333333334 + 1.333333334 = 0.000000000 0.000000000 + x = 1.201850426 + 1.333333334 x = 1.201850426 + 1.333333334 Combine like terms: 1.201850426 + 1.333333334 = 2.53518376 x = 2.53518376 Simplifying x = 2.53518376Subproblem 2
x + -1.333333334 = -1.201850426 Simplifying x + -1.333333334 = -1.201850426 Reorder the terms: -1.333333334 + x = -1.201850426 Solving -1.333333334 + x = -1.201850426 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.333333334' to each side of the equation. -1.333333334 + 1.333333334 + x = -1.201850426 + 1.333333334 Combine like terms: -1.333333334 + 1.333333334 = 0.000000000 0.000000000 + x = -1.201850426 + 1.333333334 x = -1.201850426 + 1.333333334 Combine like terms: -1.201850426 + 1.333333334 = 0.131482908 x = 0.131482908 Simplifying x = 0.131482908Solution
The solution to the problem is based on the solutions from the subproblems. x = {2.53518376, 0.131482908}Solution
x = {0, 2.53518376, 0.131482908}
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