PDF chapter test TRY NOW
Factorise:
\(x^2 - 2xy + y^2 - z^2 =\)
Answer variants:
\((x - y + z)\) and \((x - y - z)\)
\((x - y - z)\) and \((x - y - z)\)
\((x - y + z)\) and \((x - y + z)\)
\((x + y + z)\) and \((x - y - z)\)
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