4x^4+12x^2-27=0

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Solution for 4x^4+12x^2-27=0 equation:


Simplifying
4x4 + 12x2 + -27 = 0

Reorder the terms:
-27 + 12x2 + 4x4 = 0

Solving
-27 + 12x2 + 4x4 = 0

Solving for variable 'x'.

Factor a trinomial.
(-9 + -2x2)(3 + -2x2) = 0

Subproblem 1

Set the factor '(-9 + -2x2)' equal to zero and attempt to solve: Simplifying -9 + -2x2 = 0 Solving -9 + -2x2 = 0 Move all terms containing x to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + -2x2 = 0 + 9 Combine like terms: -9 + 9 = 0 0 + -2x2 = 0 + 9 -2x2 = 0 + 9 Combine like terms: 0 + 9 = 9 -2x2 = 9 Divide each side by '-2'. x2 = -4.5 Simplifying x2 = -4.5 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 '(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 Take the square root of each side: x = {-1.224744871, 1.224744871}

Solution

x = {-1.224744871, 1.224744871}

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