4x^4-8=39992

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Solution for 4x^4-8=39992 equation:


Simplifying
4x4 + -8 = 39992

Reorder the terms:
-8 + 4x4 = 39992

Solving
-8 + 4x4 = 39992

Solving for variable 'x'.

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

Add '8' to each side of the equation.
-8 + 8 + 4x4 = 39992 + 8

Combine like terms: -8 + 8 = 0
0 + 4x4 = 39992 + 8
4x4 = 39992 + 8

Combine like terms: 39992 + 8 = 40000
4x4 = 40000

Divide each side by '4'.
x4 = 10000

Simplifying
x4 = 10000

Reorder the terms:
-10000 + x4 = 10000 + -10000

Combine like terms: 10000 + -10000 = 0
-10000 + x4 = 0

Factor a difference between two squares.
(100 + x2)(-100 + x2) = 0

Factor a difference between two squares.
(100 + x2)((10 + x)(-10 + x)) = 0

Subproblem 1

Set the factor '(100 + x2)' equal to zero and attempt to solve: Simplifying 100 + x2 = 0 Solving 100 + x2 = 0 Move all terms containing x to the left, all other terms to the right. Add '-100' to each side of the equation. 100 + -100 + x2 = 0 + -100 Combine like terms: 100 + -100 = 0 0 + x2 = 0 + -100 x2 = 0 + -100 Combine like terms: 0 + -100 = -100 x2 = -100 Simplifying x2 = -100 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 '(10 + x)' equal to zero and attempt to solve: Simplifying 10 + x = 0 Solving 10 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + x = 0 + -10 Combine like terms: 10 + -10 = 0 0 + x = 0 + -10 x = 0 + -10 Combine like terms: 0 + -10 = -10 x = -10 Simplifying x = -10

Subproblem 3

Set the factor '(-10 + x)' equal to zero and attempt to solve: Simplifying -10 + x = 0 Solving -10 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '10' to each side of the equation. -10 + 10 + x = 0 + 10 Combine like terms: -10 + 10 = 0 0 + x = 0 + 10 x = 0 + 10 Combine like terms: 0 + 10 = 10 x = 10 Simplifying x = 10

Solution

x = {-10, 10}

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