6x^6-21x^4=0

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Solution for 6x^6-21x^4=0 equation:


Simplifying
6x6 + -21x4 = 0

Reorder the terms:
-21x4 + 6x6 = 0

Solving
-21x4 + 6x6 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3x4'.
3x4(-7 + 2x2) = 0

Ignore the factor 3.

Subproblem 1

Set the factor 'x4' equal to zero and attempt to solve: Simplifying x4 = 0 Solving x4 = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x4 = 0 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 '(-7 + 2x2)' equal to zero and attempt to solve: Simplifying -7 + 2x2 = 0 Solving -7 + 2x2 = 0 Move all terms containing x to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + 2x2 = 0 + 7 Combine like terms: -7 + 7 = 0 0 + 2x2 = 0 + 7 2x2 = 0 + 7 Combine like terms: 0 + 7 = 7 2x2 = 7 Divide each side by '2'. x2 = 3.5 Simplifying x2 = 3.5 Take the square root of each side: x = {-1.870828693, 1.870828693}

Solution

x = {-1.870828693, 1.870828693}

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