Math, asked by preru9451, 7 hours ago

(6a -5b)^2 - 9(a - 2b)^2

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Answered by ramk8902

1

Answer:

please mark as brain list

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Answered by dineshseethalam04

0

Answer:

(6a - 5b)² - 9(a - 2b)²

36a² + 25b² - 2*6a*5b - 9(a² + 4b² - 2*a*2b)

36a² + 25b² - 60ab - 9a² - 36b² + 36ab

= 27a² - 11b² - 24ab

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