0=x^4-625

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Solution for 0=x^4-625 equation:


Simplifying
0 = x4 + -625

Reorder the terms:
0 = -625 + x4

Solving
0 = -625 + x4

Solving for variable 'x'.

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

Add '-1x4' to each side of the equation.
0 + -1x4 = -625 + x4 + -1x4
Remove the zero:
-1x4 = -625 + x4 + -1x4

Combine like terms: x4 + -1x4 = 0
-1x4 = -625 + 0
-1x4 = -625

Divide each side by '-1'.
x4 = 625

Simplifying
x4 = 625

Reorder the terms:
-625 + x4 = 625 + -625

Combine like terms: 625 + -625 = 0
-625 + x4 = 0

Factor a difference between two squares.
(25 + x2)(-25 + x2) = 0

Factor a difference between two squares.
(25 + x2)((5 + x)(-5 + x)) = 0

Subproblem 1

Set the factor '(25 + x2)' equal to zero and attempt to solve: Simplifying 25 + x2 = 0 Solving 25 + x2 = 0 Move all terms containing x to the left, all other terms to the right. Add '-25' to each side of the equation. 25 + -25 + x2 = 0 + -25 Combine like terms: 25 + -25 = 0 0 + x2 = 0 + -25 x2 = 0 + -25 Combine like terms: 0 + -25 = -25 x2 = -25 Simplifying x2 = -25 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 '(5 + x)' equal to zero and attempt to solve: Simplifying 5 + x = 0 Solving 5 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + x = 0 + -5 x = 0 + -5 Combine like terms: 0 + -5 = -5 x = -5 Simplifying x = -5

Subproblem 3

Set the factor '(-5 + x)' equal to zero and attempt to solve: Simplifying -5 + x = 0 Solving -5 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + x = 0 + 5 Combine like terms: -5 + 5 = 0 0 + x = 0 + 5 x = 0 + 5 Combine like terms: 0 + 5 = 5 x = 5 Simplifying x = 5

Solution

x = {-5, 5}

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