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Reyansh Gandhi from DAIS, Mumbai
Subject :IMO    Class : Class 8

Simplify : 9x2 – (2y – z)(2y – z)

A(3x – 2y – z) (3x + 2y – z)
B(3x + 2y – z) (3x – 2y + z)
C(–3x + 2y + z) (3x + 2y – z)
D(3x + 2y + z) (3x + 2y – z)


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