3x^7=81x^4

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Solution for 3x^7=81x^4 equation:


Simplifying
3x7 = 81x4

Solving
3x7 = 81x4

Solving for variable 'x'.

Reorder the terms:
-81x4 + 3x7 = 81x4 + -81x4

Combine like terms: 81x4 + -81x4 = 0
-81x4 + 3x7 = 0

Factor out the Greatest Common Factor (GCF), '3x4'.
3x4(-27 + x3) = 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 '(-27 + x3)' equal to zero and attempt to solve: Simplifying -27 + x3 = 0 Solving -27 + x3 = 0 Move all terms containing x to the left, all other terms to the right. Add '27' to each side of the equation. -27 + 27 + x3 = 0 + 27 Combine like terms: -27 + 27 = 0 0 + x3 = 0 + 27 x3 = 0 + 27 Combine like terms: 0 + 27 = 27 x3 = 27 Simplifying x3 = 27 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

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