The expansion of (-x + y = z) is
(a) x² + y2 + 22 - 2xy - 2y2 + 2zx
(c) x² + y² + 2 + 2xy - 2yz - 2zx
fb) x² + y2 + 2xy + y2 + 22x
(d) x² + y2 - 2 + 2zy - 2yz - 2zx
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wrong question please type correctly
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