2x^2-4=O

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Solution for 2x^2-4=O equation:


Simplifying
2x2 + -4 = O

Reorder the terms:
-4 + 2x2 = O

Solving
-4 + 2x2 = O

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 + 2x2 = 4 + O

Combine like terms: -4 + 4 = 0
0 + 2x2 = 4 + O
2x2 = 4 + O

Divide each side by '2'.
x2 = 2 + 0.5O

Simplifying
x2 = 2 + 0.5O

Reorder the terms:
-2 + -0.5O + x2 = 2 + 0.5O + -2 + -0.5O

Reorder the terms:
-2 + -0.5O + x2 = 2 + -2 + 0.5O + -0.5O

Combine like terms: 2 + -2 = 0
-2 + -0.5O + x2 = 0 + 0.5O + -0.5O
-2 + -0.5O + x2 = 0.5O + -0.5O

Combine like terms: 0.5O + -0.5O = 0.0
-2 + -0.5O + x2 = 0.0

The solution to this equation could not be determined.

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