x^2-2x^2=4

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


Simplifying
x2 + -2x2 = 4

Combine like terms: x2 + -2x2 = -1x2
-1x2 = 4

Solving
-1x2 = 4

Solving for variable 'x'.

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

Divide each side by '-1'.
x2 = -4

Simplifying
x2 = -4

Reorder the terms:
4 + x2 = -4 + 4

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

The solution to this equation could not be determined.

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