p^4-6p^2-16=0

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Solution for p^4-6p^2-16=0 equation:


Simplifying
p4 + -6p2 + -16 = 0

Reorder the terms:
-16 + -6p2 + p4 = 0

Solving
-16 + -6p2 + p4 = 0

Solving for variable 'p'.

Factor a trinomial.
(-2 + -1p2)(8 + -1p2) = 0

Subproblem 1

Set the factor '(-2 + -1p2)' equal to zero and attempt to solve: Simplifying -2 + -1p2 = 0 Solving -2 + -1p2 = 0 Move all terms containing p to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + -1p2 = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -1p2 = 0 + 2 -1p2 = 0 + 2 Combine like terms: 0 + 2 = 2 -1p2 = 2 Divide each side by '-1'. p2 = -2 Simplifying p2 = -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 '(8 + -1p2)' equal to zero and attempt to solve: Simplifying 8 + -1p2 = 0 Solving 8 + -1p2 = 0 Move all terms containing p to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -1p2 = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -1p2 = 0 + -8 -1p2 = 0 + -8 Combine like terms: 0 + -8 = -8 -1p2 = -8 Divide each side by '-1'. p2 = 8 Simplifying p2 = 8 Take the square root of each side: p = {-2.828427125, 2.828427125}

Solution

p = {-2.828427125, 2.828427125}

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