Question

17. (3а-1)²- 6а + 2​

Answer 1

Step-by-step explanation:

1. (3a - 1)² - 6a + 2

= (3a)² + (1)² - 2 × 3a × 1 - 6a + 2

= (9a)² + 1 - 6a - 6a +2

= (9a)² - 12a + 3

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