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Simplifying 12x4 + 5x2 + -72 = 0 Reorder the terms: -72 + 5x2 + 12x4 = 0 Solving -72 + 5x2 + 12x4 = 0 Solving for variable 'x'. Factor a trinomial. (-8 + -3x2)(9 + -4x2) = 0 Factor a difference between two squares. (-8 + -3x2)((3 + 2x)(3 + -2x)) = 0Subproblem 1
Set the factor '(-8 + -3x2)' equal to zero and attempt to solve: Simplifying -8 + -3x2 = 0 Solving -8 + -3x2 = 0 Move all terms containing x to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + -3x2 = 0 + 8 Combine like terms: -8 + 8 = 0 0 + -3x2 = 0 + 8 -3x2 = 0 + 8 Combine like terms: 0 + 8 = 8 -3x2 = 8 Divide each side by '-3'. x2 = -2.666666667 Simplifying x2 = -2.666666667 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 '(3 + 2x)' equal to zero and attempt to solve: Simplifying 3 + 2x = 0 Solving 3 + 2x = 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 + 2x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 2x = 0 + -3 2x = 0 + -3 Combine like terms: 0 + -3 = -3 2x = -3 Divide each side by '2'. x = -1.5 Simplifying x = -1.5Subproblem 3
Set the factor '(3 + -2x)' equal to zero and attempt to solve: Simplifying 3 + -2x = 0 Solving 3 + -2x = 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 + -2x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -2x = 0 + -3 -2x = 0 + -3 Combine like terms: 0 + -3 = -3 -2x = -3 Divide each side by '-2'. x = 1.5 Simplifying x = 1.5Solution
x = {-1.5, 1.5}
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