(a – 2b)2 – 4a + 8b
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Answer:
(a - 2b) (a - 2b - 4)
Step-by-step explanation:
= (a - 2b)² - 4a + 8b
= (a - 2b)² - 4(a - 2b)
= (a - 2b) x (a - 2b) - 4(a - 2b)
= (a - 2b) (a - 2b - 4)
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