Simplify the following expression involving three variables: .

MATHEMATICS · Subjective · CBSE · Mathematics · We Distribute, Yet Things Multiply · We Distribute, Yet Things Multiply

Problem

Simplify the following expression involving three variables: 2(x+y−z)(x−y+z)−[ x(y−z)−y(z−x)+z(x−y) ]2(x + y - z)(x - y + z) - \bigl[\,x(y - z) - y(z - x) + z(x - y)\,\bigr].

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