12x^4-16x^2-16=0

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Solution for 12x^4-16x^2-16=0 equation:


Simplifying
12x4 + -16x2 + -16 = 0

Reorder the terms:
-16 + -16x2 + 12x4 = 0

Solving
-16 + -16x2 + 12x4 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '4'.
4(-4 + -4x2 + 3x4) = 0

Factor a trinomial.
4((-2 + -3x2)(2 + -1x2)) = 0

Ignore the factor 4.

Subproblem 1

Set the factor '(-2 + -3x2)' equal to zero and attempt to solve: Simplifying -2 + -3x2 = 0 Solving -2 + -3x2 = 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 + -3x2 = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -3x2 = 0 + 2 -3x2 = 0 + 2 Combine like terms: 0 + 2 = 2 -3x2 = 2 Divide each side by '-3'. x2 = -0.6666666667 Simplifying x2 = -0.6666666667 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 + -1x2)' equal to zero and attempt to solve: Simplifying 2 + -1x2 = 0 Solving 2 + -1x2 = 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 + -1x2 = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1x2 = 0 + -2 -1x2 = 0 + -2 Combine like terms: 0 + -2 = -2 -1x2 = -2 Divide each side by '-1'. x2 = 2 Simplifying x2 = 2 Take the square root of each side: x = {-1.414213562, 1.414213562}

Solution

x = {-1.414213562, 1.414213562}

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