Question: 1. Expand and simplify. a) (180 +9ab - 246?)- (12a? - 21ab - 86') 6) k(k- 3)?-3(4-k?)(k-1) c ) (m' - 7m - 6) (7m

1. Expand and simplify. a) (180 +9ab - 246?)- (12a? - 21ab - 86') 6) k(k- 3)?-3(4-k?)(k-1) c ) (m' - 7m - 6) (7m - 3m-7) d ) 5V2 + 3/12 + 18 - 148 e) 4/15 2V6 + 15 1) (2 - V5 - 2 + 15

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