X^8+3x^4-4=0

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Solution for X^8+3x^4-4=0 equation:


Simplifying
X8 + 3x4 + -4 = 0

Reorder the terms:
-4 + X8 + 3x4 = 0

Solving
-4 + X8 + 3x4 = 0

Solving for variable 'X'.

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

Add '4' to each side of the equation.
-4 + X8 + 4 + 3x4 = 0 + 4

Reorder the terms:
-4 + 4 + X8 + 3x4 = 0 + 4

Combine like terms: -4 + 4 = 0
0 + X8 + 3x4 = 0 + 4
X8 + 3x4 = 0 + 4

Combine like terms: 0 + 4 = 4
X8 + 3x4 = 4

Add '-3x4' to each side of the equation.
X8 + 3x4 + -3x4 = 4 + -3x4

Combine like terms: 3x4 + -3x4 = 0
X8 + 0 = 4 + -3x4
X8 = 4 + -3x4

Simplifying
X8 = 4 + -3x4

Reorder the terms:
-4 + X8 + 3x4 = 4 + -3x4 + -4 + 3x4

Reorder the terms:
-4 + X8 + 3x4 = 4 + -4 + -3x4 + 3x4

Combine like terms: 4 + -4 = 0
-4 + X8 + 3x4 = 0 + -3x4 + 3x4
-4 + X8 + 3x4 = -3x4 + 3x4

Combine like terms: -3x4 + 3x4 = 0
-4 + X8 + 3x4 = 0

Factor a trinomial.
(X4 + -3x2)(X4 + -1x2) = 0

Factor a difference between two squares.
(X4 + -3x2)((X2 + x)(X2 + -1x)) = 0

Subproblem 1

Set the factor '(X4 + -3x2)' equal to zero and attempt to solve: Simplifying X4 + -3x2 = 0 Solving X4 + -3x2 = 0 Move all terms containing X to the left, all other terms to the right. Add '3x2' to each side of the equation. X4 + -3x2 + 3x2 = 0 + 3x2 Combine like terms: -3x2 + 3x2 = 0 X4 + 0 = 0 + 3x2 X4 = 0 + 3x2 Remove the zero: X4 = 3x2 Simplifying X4 = 3x2 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 '(X2 + x)' equal to zero and attempt to solve: Simplifying X2 + x = 0 Solving X2 + x = 0 Move all terms containing X to the left, all other terms to the right. Add '-1x' to each side of the equation. X2 + x + -1x = 0 + -1x Combine like terms: x + -1x = 0 X2 + 0 = 0 + -1x X2 = 0 + -1x Remove the zero: X2 = -1x Simplifying X2 = -1x The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Subproblem 3

Set the factor '(X2 + -1x)' equal to zero and attempt to solve: Simplifying X2 + -1x = 0 Solving X2 + -1x = 0 Move all terms containing X to the left, all other terms to the right. Add 'x' to each side of the equation. X2 + -1x + x = 0 + x Combine like terms: -1x + x = 0 X2 + 0 = 0 + x X2 = 0 + x Remove the zero: X2 = x Simplifying X2 = x 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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