The solution of the equation (x+2)² equal to (x-2)² – InterviewSolution

1.

The solution of the equation (x+2)² equal to (x-2)²

Answer»

Step-by-step EXPLANATION:

$(x + 2) {}^{2} = (x - 2) {}^{2} \\ x {}^{2} + 4 + 4x = x {}^{2} + 4 - 4x \\ 4x = - 4x \\ 8x = 0 \\ x = 0$

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