v^4x^4-81x^4=0

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Solution for v^4x^4-81x^4=0 equation:


Simplifying
v4x4 + -81x4 = 0

Solving
v4x4 + -81x4 = 0

Solving for variable 'v'.

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

Add '81x4' to each side of the equation.
v4x4 + -81x4 + 81x4 = 0 + 81x4

Combine like terms: -81x4 + 81x4 = 0
v4x4 + 0 = 0 + 81x4
v4x4 = 0 + 81x4
Remove the zero:
v4x4 = 81x4

Divide each side by 'x4'.
v4 = 81

Simplifying
v4 = 81

Reorder the terms:
-81 + v4 = 81 + -81

Combine like terms: 81 + -81 = 0
-81 + v4 = 0

Factor a difference between two squares.
(9 + v2)(-9 + v2) = 0

Factor a difference between two squares.
(9 + v2)((3 + v)(-3 + v)) = 0

Subproblem 1

Set the factor '(9 + v2)' equal to zero and attempt to solve: Simplifying 9 + v2 = 0 Solving 9 + v2 = 0 Move all terms containing v to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + v2 = 0 + -9 Combine like terms: 9 + -9 = 0 0 + v2 = 0 + -9 v2 = 0 + -9 Combine like terms: 0 + -9 = -9 v2 = -9 Simplifying v2 = -9 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 '(3 + v)' equal to zero and attempt to solve: Simplifying 3 + v = 0 Solving 3 + v = 0 Move all terms containing v to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + v = 0 + -3 Combine like terms: 3 + -3 = 0 0 + v = 0 + -3 v = 0 + -3 Combine like terms: 0 + -3 = -3 v = -3 Simplifying v = -3

Subproblem 3

Set the factor '(-3 + v)' equal to zero and attempt to solve: Simplifying -3 + v = 0 Solving -3 + v = 0 Move all terms containing v to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + v = 0 + 3 Combine like terms: -3 + 3 = 0 0 + v = 0 + 3 v = 0 + 3 Combine like terms: 0 + 3 = 3 v = 3 Simplifying v = 3

Solution

v = {-3, 3}

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