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Simplifying 18x4 + 19x2 + -12 = 0 Reorder the terms: -12 + 19x2 + 18x4 = 0 Solving -12 + 19x2 + 18x4 = 0 Solving for variable 'x'. Factor a trinomial. (-3 + -2x2)(4 + -9x2) = 0 Factor a difference between two squares. (-3 + -2x2)((2 + 3x)(2 + -3x)) = 0Subproblem 1
Set the factor '(-3 + -2x2)' equal to zero and attempt to solve: Simplifying -3 + -2x2 = 0 Solving -3 + -2x2 = 0 Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + -2x2 = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -2x2 = 0 + 3 -2x2 = 0 + 3 Combine like terms: 0 + 3 = 3 -2x2 = 3 Divide each side by '-2'. x2 = -1.5 Simplifying x2 = -1.5 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 '(2 + 3x)' equal to zero and attempt to solve: Simplifying 2 + 3x = 0 Solving 2 + 3x = 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 + 3x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + 3x = 0 + -2 3x = 0 + -2 Combine like terms: 0 + -2 = -2 3x = -2 Divide each side by '3'. x = -0.6666666667 Simplifying x = -0.6666666667Subproblem 3
Set the factor '(2 + -3x)' equal to zero and attempt to solve: Simplifying 2 + -3x = 0 Solving 2 + -3x = 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 + -3x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -3x = 0 + -2 -3x = 0 + -2 Combine like terms: 0 + -2 = -2 -3x = -2 Divide each side by '-3'. x = 0.6666666667 Simplifying x = 0.6666666667Solution
x = {-0.6666666667, 0.6666666667}
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