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REET 2011 Level 2 Math and Science Paper

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Question : 92

Total: 150

The factors of expression (x² – 2xy + y²) – z² are

(x + y – z) (x + y + z)
(x – y – z) (x – y + z)
(x – y – z) (x + y + z)
(x – y – z) (x – y – z)

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