X*x*x*x-81=0

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Solution for X*x*x*x-81=0 equation:


Simplifying
X * x * x * x + -81 = 0

Multiply X * x
xX * x * x + -81 = 0

Multiply xX * x
x2X * x + -81 = 0

Multiply x2X * x
x3X + -81 = 0

Reorder the terms:
-81 + x3X = 0

Solving
-81 + x3X = 0

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '81' to each side of the equation.
-81 + 81 + x3X = 0 + 81

Combine like terms: -81 + 81 = 0
0 + x3X = 0 + 81
x3X = 0 + 81

Combine like terms: 0 + 81 = 81
x3X = 81

Divide each side by 'X'.
x3 = 81X-1

Simplifying
x3 = 81X-1

Reorder the terms:
-81X-1 + x3 = 81X-1 + -81X-1

Combine like terms: 81X-1 + -81X-1 = 0
-81X-1 + x3 = 0

Factor out the Greatest Common Factor (GCF), 'X-1'.
X-1(-81 + x3X) = 0

Subproblem 1

Set the factor 'X-1' equal to zero and attempt to solve: Simplifying X-1 = 0 Solving X-1 = 0 Move all terms containing x to the left, all other terms to the right. Add '-1X-1' to each side of the equation. X-1 + -1X-1 = 0 + -1X-1 Remove the zero: 0 = -1X-1 Simplifying 0 = -1X-1 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 '(-81 + x3X)' equal to zero and attempt to solve: Simplifying -81 + x3X = 0 Solving -81 + x3X = 0 Move all terms containing x to the left, all other terms to the right. Add '81' to each side of the equation. -81 + 81 + x3X = 0 + 81 Combine like terms: -81 + 81 = 0 0 + x3X = 0 + 81 x3X = 0 + 81 Combine like terms: 0 + 81 = 81 x3X = 81 Divide each side by 'X'. x3 = 81X-1 Simplifying x3 = 81X-1 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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