X^2+2x=x^2-4

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


Simplifying
X2 + 2x = x2 + -4

Reorder the terms:
X2 + 2x = -4 + x2

Solving
X2 + 2x = -4 + x2

Solving for variable 'X'.

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

Add '-2x' to each side of the equation.
X2 + 2x + -2x = -4 + -2x + x2

Combine like terms: 2x + -2x = 0
X2 + 0 = -4 + -2x + x2
X2 = -4 + -2x + x2

Simplifying
X2 = -4 + -2x + x2

Reorder the terms:
4 + X2 + 2x + -1x2 = -4 + -2x + x2 + 4 + 2x + -1x2

Reorder the terms:
4 + X2 + 2x + -1x2 = -4 + 4 + -2x + 2x + x2 + -1x2

Combine like terms: -4 + 4 = 0
4 + X2 + 2x + -1x2 = 0 + -2x + 2x + x2 + -1x2
4 + X2 + 2x + -1x2 = -2x + 2x + x2 + -1x2

Combine like terms: -2x + 2x = 0
4 + X2 + 2x + -1x2 = 0 + x2 + -1x2
4 + X2 + 2x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
4 + X2 + 2x + -1x2 = 0

The solution to this equation could not be determined.

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