Question

2 (a - 2b)²-(a - 2b) - 6​

Answer 1

Answer:

4a² - 16ab + 16b² - a + 2b - 6

Step-by-step explanation:

=> 2 (a - 2b)²- (a - 2b) - 6

=> (2a - 4b)² - a + 2b - 6

=> (2a)² - 2(2a)(4b) + (4b)² - a + 2b - 6

=> 4a² - 16ab + 16b² - a + 2b - 6

Thankyou~

Answer 2

Step-by-step explanation:

(2a-4b)(2a-4b)-(a-2b)-6

4a^2-8ab-8ab-16b^2-(a-2b)6

4a^2-16ab-16b^2-6a-12b