Question

(2a-3b) x (4a-8b)
(5b+9) x(2b-8)

Answer 1

Answer :

1)

Now, (2a - 3b) (4a - 8b)

= 2a (4a - 8b) - 3b (4a - 8b)

= 8a² - 16ab - 12ab + 24b²

= 8a² - 28ab + 24b²

2)

Now, (5b + 9) (2b - 8)

= 5b (2b - 8) + 9 (2b - 8)

= 10b² - 40b + 18b - 72

= 10b² - 22b - 72

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Answer 2

Plz see the attachment....☺️

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