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Simplifying 9X4 + 5X2 + -4 = 0 Reorder the terms: -4 + 5X2 + 9X4 = 0 Solving -4 + 5X2 + 9X4 = 0 Solving for variable 'X'. Factor a trinomial. (-1 + -1X2)(4 + -9X2) = 0 Factor a difference between two squares. (-1 + -1X2)((2 + 3X)(2 + -3X)) = 0Subproblem 1
Set the factor '(-1 + -1X2)' equal to zero and attempt to solve: Simplifying -1 + -1X2 = 0 Solving -1 + -1X2 = 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 + -1X2 = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -1X2 = 0 + 1 -1X2 = 0 + 1 Combine like terms: 0 + 1 = 1 -1X2 = 1 Divide each side by '-1'. X2 = -1 Simplifying X2 = -1 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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