Question

6(3a-2b)2-15(a-2b)+9​

Answer 1

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6(3ᴀ-2ʙ)2-15(ᴀ-2ʙ)+9

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$= > 6(3a - 2b)2 - 17(a - 2b) + 9$

$= > 18a - 12b - 15a + 30b + 9$

$= > 18a - 15a - 12b + 30b + 9$

$= > 3a + 18b + 9..ans$

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