(x^4)-(5x^2)+6=0

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Solution for (x^4)-(5x^2)+6=0 equation:


Simplifying
(x4) + -1(5x2) + 6 = 0
x4 + -1(5x2) + 6 = 0

Remove parenthesis around (5x2)
x4 + -1 * 5x2 + 6 = 0

Multiply -1 * 5
x4 + -5x2 + 6 = 0

Reorder the terms:
6 + -5x2 + x4 = 0

Solving
6 + -5x2 + x4 = 0

Solving for variable 'x'.

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

Subproblem 1

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}

Subproblem 2

Set the factor '(3 + -1x2)' equal to zero and attempt to solve: Simplifying 3 + -1x2 = 0 Solving 3 + -1x2 = 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 + -1x2 = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1x2 = 0 + -3 -1x2 = 0 + -3 Combine like terms: 0 + -3 = -3 -1x2 = -3 Divide each side by '-1'. x2 = 3 Simplifying x2 = 3 Take the square root of each side: x = {-1.732050808, 1.732050808}

Solution

x = {-1.414213562, 1.414213562, -1.732050808, 1.732050808}

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