14x^4+62x^2-40=0

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Solution for 14x^4+62x^2-40=0 equation:


Simplifying
14x4 + 62x2 + -40 = 0

Reorder the terms:
-40 + 62x2 + 14x4 = 0

Solving
-40 + 62x2 + 14x4 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(-20 + 31x2 + 7x4) = 0

Factor a trinomial.
2((-5 + -1x2)(4 + -7x2)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-5 + -1x2)' equal to zero and attempt to solve: Simplifying -5 + -1x2 = 0 Solving -5 + -1x2 = 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 + -1x2 = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -1x2 = 0 + 5 -1x2 = 0 + 5 Combine like terms: 0 + 5 = 5 -1x2 = 5 Divide each side by '-1'. x2 = -5 Simplifying x2 = -5 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 '(4 + -7x2)' equal to zero and attempt to solve: Simplifying 4 + -7x2 = 0 Solving 4 + -7x2 = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -7x2 = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -7x2 = 0 + -4 -7x2 = 0 + -4 Combine like terms: 0 + -4 = -4 -7x2 = -4 Divide each side by '-7'. x2 = 0.5714285714 Simplifying x2 = 0.5714285714 Take the square root of each side: x = {-0.755928946, 0.755928946}

Solution

x = {-0.755928946, 0.755928946}

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