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Simplifying 81x4 + 9x2 + -2 = 0 Reorder the terms: -2 + 9x2 + 81x4 = 0 Solving -2 + 9x2 + 81x4 = 0 Solving for variable 'x'. Factor a trinomial. (-2 + -9x2)(1 + -9x2) = 0 Factor a difference between two squares. (-2 + -9x2)((1 + 3x)(1 + -3x)) = 0Subproblem 1
Set the factor '(-2 + -9x2)' equal to zero and attempt to solve: Simplifying -2 + -9x2 = 0 Solving -2 + -9x2 = 0 Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + -9x2 = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -9x2 = 0 + 2 -9x2 = 0 + 2 Combine like terms: 0 + 2 = 2 -9x2 = 2 Divide each side by '-9'. x2 = -0.2222222222 Simplifying x2 = -0.2222222222 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.Subproblem 2
Set the factor '(1 + 3x)' equal to zero and attempt to solve: Simplifying 1 + 3x = 0 Solving 1 + 3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + 3x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 3x = 0 + -1 3x = 0 + -1 Combine like terms: 0 + -1 = -1 3x = -1 Divide each side by '3'. x = -0.3333333333 Simplifying x = -0.3333333333Subproblem 3
Set the factor '(1 + -3x)' equal to zero and attempt to solve: Simplifying 1 + -3x = 0 Solving 1 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -3x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -3x = 0 + -1 -3x = 0 + -1 Combine like terms: 0 + -1 = -1 -3x = -1 Divide each side by '-3'. x = 0.3333333333 Simplifying x = 0.3333333333Solution
x = {-0.3333333333, 0.3333333333}
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