y^4+7y^2-44=0

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Solution for y^4+7y^2-44=0 equation:


Simplifying
y4 + 7y2 + -44 = 0

Reorder the terms:
-44 + 7y2 + y4 = 0

Solving
-44 + 7y2 + y4 = 0

Solving for variable 'y'.

Factor a trinomial.
(-11 + -1y2)(4 + -1y2) = 0

Factor a difference between two squares.
(-11 + -1y2)((2 + y)(2 + -1y)) = 0

Subproblem 1

Set the factor '(-11 + -1y2)' equal to zero and attempt to solve: Simplifying -11 + -1y2 = 0 Solving -11 + -1y2 = 0 Move all terms containing y to the left, all other terms to the right. Add '11' to each side of the equation. -11 + 11 + -1y2 = 0 + 11 Combine like terms: -11 + 11 = 0 0 + -1y2 = 0 + 11 -1y2 = 0 + 11 Combine like terms: 0 + 11 = 11 -1y2 = 11 Divide each side by '-1'. y2 = -11 Simplifying y2 = -11 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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