Question

Factorize: 9 ( 2a - b)² - 4( 2a -b ) - 13

Answer 1

Step-by-step explanation:

18a-9b^2 -8a-4b-13

(18a-8a)-(9b^2-5b)-13

10a-5b-13

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Answer 2

Step-by-step explanation:

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