2x^4=16x^2

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Solution for 2x^4=16x^2 equation:


Simplifying
2x4 = 16x2

Solving
2x4 = 16x2

Solving for variable 'x'.

Reorder the terms:
-16x2 + 2x4 = 16x2 + -16x2

Combine like terms: 16x2 + -16x2 = 0
-16x2 + 2x4 = 0

Factor out the Greatest Common Factor (GCF), '2x2'.
2x2(-8 + x2) = 0

Ignore the factor 2.

Subproblem 1

Set the factor 'x2' equal to zero and attempt to solve: Simplifying x2 = 0 Solving x2 = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x2 = 0 Take the square root of each side: x = {0}

Subproblem 2

Set the factor '(-8 + x2)' equal to zero and attempt to solve: Simplifying -8 + x2 = 0 Solving -8 + x2 = 0 Move all terms containing x to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + x2 = 0 + 8 Combine like terms: -8 + 8 = 0 0 + x2 = 0 + 8 x2 = 0 + 8 Combine like terms: 0 + 8 = 8 x2 = 8 Simplifying x2 = 8 Take the square root of each side: x = {-2.828427125, 2.828427125}

Solution

x = {0, -2.828427125, 2.828427125}

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