6y^4-23y^2-18=0

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Solution for 6y^4-23y^2-18=0 equation:


Simplifying
6y4 + -23y2 + -18 = 0

Reorder the terms:
-18 + -23y2 + 6y4 = 0

Solving
-18 + -23y2 + 6y4 = 0

Solving for variable 'y'.

Factor a trinomial.
(-2 + -3y2)(9 + -2y2) = 0

Subproblem 1

Set the factor '(-2 + -3y2)' equal to zero and attempt to solve: Simplifying -2 + -3y2 = 0 Solving -2 + -3y2 = 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 + -3y2 = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -3y2 = 0 + 2 -3y2 = 0 + 2 Combine like terms: 0 + 2 = 2 -3y2 = 2 Divide each side by '-3'. y2 = -0.6666666667 Simplifying y2 = -0.6666666667 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 '(9 + -2y2)' equal to zero and attempt to solve: Simplifying 9 + -2y2 = 0 Solving 9 + -2y2 = 0 Move all terms containing y to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -2y2 = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -2y2 = 0 + -9 -2y2 = 0 + -9 Combine like terms: 0 + -9 = -9 -2y2 = -9 Divide each side by '-2'. y2 = 4.5 Simplifying y2 = 4.5 Take the square root of each side: y = {-2.121320344, 2.121320344}

Solution

y = {-2.121320344, 2.121320344}

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