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6a 2 b
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6a 2 b
12a 2 b 6a
a 2 6a b 2 9
6a b 4 2
6a 2 ab b 2
simplify 2ab 6a b 2 9
6a 5b 2 )( a b 6
2a b 2 6a 3b 4
factorise 6a^2-b+3ab-2a
6a 2 b
6a 2 b 3
