The HCF of (x - 1) (x² - 4) and (x² - 1) (x + 2) is
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Answer:
x+2
Step-by-step explanation:
(x - 1) (x² - 4) can be simplied further as (x - 1)(x-2)(x+2)
and (x² - 1) (x + 2) can be simplified as (x+1)(x-1)(x+2)
so x+2 is the highest common factor .
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