-y^4-32y^2+144=0

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Solution for -y^4-32y^2+144=0 equation:


Simplifying
-1y4 + -32y2 + 144 = 0

Reorder the terms:
144 + -32y2 + -1y4 = 0

Solving
144 + -32y2 + -1y4 = 0

Solving for variable 'y'.

Factor a trinomial.
(4 + -1y2)(36 + y2) = 0

Factor a difference between two squares.
((2 + y)(2 + -1y))(36 + y2) = 0

Subproblem 1

Set the factor '(36 + y2)' equal to zero and attempt to solve: Simplifying 36 + y2 = 0 Solving 36 + y2 = 0 Move all terms containing y to the left, all other terms to the right. Add '-36' to each side of the equation. 36 + -36 + y2 = 0 + -36 Combine like terms: 36 + -36 = 0 0 + y2 = 0 + -36 y2 = 0 + -36 Combine like terms: 0 + -36 = -36 y2 = -36 Simplifying y2 = -36 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 + y)' equal to zero and attempt to solve: Simplifying 2 + y = 0 Solving 2 + y = 0 Move all terms containing y to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + y = 0 + -2 Combine like terms: 2 + -2 = 0 0 + y = 0 + -2 y = 0 + -2 Combine like terms: 0 + -2 = -2 y = -2 Simplifying y = -2

Subproblem 3

Set the factor '(2 + -1y)' equal to zero and attempt to solve: Simplifying 2 + -1y = 0 Solving 2 + -1y = 0 Move all terms containing y to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1y = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1y = 0 + -2 -1y = 0 + -2 Combine like terms: 0 + -2 = -2 -1y = -2 Divide each side by '-1'. y = 2 Simplifying y = 2

Solution

y = {-2, 2}

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