2x^2=4x^2-8

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Solution for 2x^2=4x^2-8 equation: 


Simplifying
2x2 = 4x2 + -8

Reorder the terms:
2x2 = -8 + 4x2

Solving
2x2 = -8 + 4x2

Solving for variable 'x'.

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

Add '-4x2' to each side of the equation.
2x2 + -4x2 = -8 + 4x2 + -4x2

Combine like terms: 2x2 + -4x2 = -2x2
-2x2 = -8 + 4x2 + -4x2

Combine like terms: 4x2 + -4x2 = 0
-2x2 = -8 + 0
-2x2 = -8

Divide each side by '-2'.
x2 = 4

Simplifying
x2 = 4

Take the square root of each side:
x = {-2, 2}

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