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

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


Simplifying
X2 + 2X + -2X + -4 = X2 + 4

Reorder the terms:
-4 + 2X + -2X + X2 = X2 + 4

Combine like terms: 2X + -2X = 0
-4 + 0 + X2 = X2 + 4
-4 + X2 = X2 + 4

Reorder the terms:
-4 + X2 = 4 + X2

Add '-1X2' to each side of the equation.
-4 + X2 + -1X2 = 4 + X2 + -1X2

Combine like terms: X2 + -1X2 = 0
-4 + 0 = 4 + X2 + -1X2
-4 = 4 + X2 + -1X2

Combine like terms: X2 + -1X2 = 0
-4 = 4 + 0
-4 = 4

Solving
-4 = 4

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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