(x^2-2)(x^2+2)=

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Solution for (x^2-2)(x^2+2)= equation: 


Simplifying
(x2 + -2)(x2 + 2) = 0

Reorder the terms:
(-2 + x2)(x2 + 2) = 0

Reorder the terms:
(-2 + x2)(2 + x2) = 0

Multiply (-2 + x2) * (2 + x2)
(-2(2 + x2) + x2(2 + x2)) = 0
((2 * -2 + x2 * -2) + x2(2 + x2)) = 0
((-4 + -2x2) + x2(2 + x2)) = 0
(-4 + -2x2 + (2 * x2 + x2 * x2)) = 0
(-4 + -2x2 + (2x2 + x4)) = 0

Combine like terms: -2x2 + 2x2 = 0
(-4 + 0 + x4) = 0
(-4 + x4) = 0

Solving
-4 + x4 = 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 + 4 + x4 = 0 + 4

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

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

Simplifying
x4 = 4

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

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

Factor a difference between two squares.
(2 + x2)(-2 + x2) = 0


Subproblem 1
Set the factor '(2 + x2)' equal to zero and attempt to solve:

Simplifying
2 + x2 = 0

Solving
2 + x2 = 0

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

Add '-2' to each side of the equation.
2 + -2 + x2 = 0 + -2

Combine like terms: 2 + -2 = 0
0 + x2 = 0 + -2
x2 = 0 + -2

Combine like terms: 0 + -2 = -2
x2 = -2

Simplifying
x2 = -2

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 '(-2 + x2)' equal to zero and attempt to solve:

Simplifying
-2 + x2 = 0

Solving
-2 + x2 = 0

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

Add '2' to each side of the equation.
-2 + 2 + x2 = 0 + 2

Combine like terms: -2 + 2 = 0
0 + x2 = 0 + 2
x2 = 0 + 2

Combine like terms: 0 + 2 = 2
x2 = 2

Simplifying
x2 = 2

Take the square root of each side:
x = {-1.414213562, 1.414213562}
Solution
x = {-1.414213562, 1.414213562}

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