4x^4+19x^2-30=0

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Solution for 4x^4+19x^2-30=0 equation:


Simplifying
4x4 + 19x2 + -30 = 0

Reorder the terms:
-30 + 19x2 + 4x4 = 0

Solving
-30 + 19x2 + 4x4 = 0

Solving for variable 'x'.

Factor a trinomial.
(-6 + -1x2)(5 + -4x2) = 0

Subproblem 1

Set the factor '(-6 + -1x2)' equal to zero and attempt to solve: Simplifying -6 + -1x2 = 0 Solving -6 + -1x2 = 0 Move all terms containing x to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + -1x2 = 0 + 6 Combine like terms: -6 + 6 = 0 0 + -1x2 = 0 + 6 -1x2 = 0 + 6 Combine like terms: 0 + 6 = 6 -1x2 = 6 Divide each side by '-1'. x2 = -6 Simplifying x2 = -6 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 '(5 + -4x2)' equal to zero and attempt to solve: Simplifying 5 + -4x2 = 0 Solving 5 + -4x2 = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -4x2 = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -4x2 = 0 + -5 -4x2 = 0 + -5 Combine like terms: 0 + -5 = -5 -4x2 = -5 Divide each side by '-4'. x2 = 1.25 Simplifying x2 = 1.25 Take the square root of each side: x = {-1.118033989, 1.118033989}

Solution

x = {-1.118033989, 1.118033989}

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