b^4-b^2-6=0

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Solution for b^4-b^2-6=0 equation:


Simplifying
b4 + -1b2 + -6 = 0

Reorder the terms:
-6 + -1b2 + b4 = 0

Solving
-6 + -1b2 + b4 = 0

Solving for variable 'b'.

Factor a trinomial.
(-2 + -1b2)(3 + -1b2) = 0

Subproblem 1

Set the factor '(-2 + -1b2)' equal to zero and attempt to solve: Simplifying -2 + -1b2 = 0 Solving -2 + -1b2 = 0 Move all terms containing b to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + -1b2 = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -1b2 = 0 + 2 -1b2 = 0 + 2 Combine like terms: 0 + 2 = 2 -1b2 = 2 Divide each side by '-1'. b2 = -2 Simplifying b2 = -2 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 + -1b2)' equal to zero and attempt to solve: Simplifying 3 + -1b2 = 0 Solving 3 + -1b2 = 0 Move all terms containing b to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1b2 = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1b2 = 0 + -3 -1b2 = 0 + -3 Combine like terms: 0 + -3 = -3 -1b2 = -3 Divide each side by '-1'. b2 = 3 Simplifying b2 = 3 Take the square root of each side: b = {-1.732050808, 1.732050808}

Solution

b = {-1.732050808, 1.732050808}

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