Answer:
(b^2 - 3) (b^4 - 2)
Explanation:
b^6-3b^4-2b^2+6
Break into 2 parts:
b^6-3b^4 = b^4(b^2 - 3)
-2b^2+6 = -2(b^2 - 3)
Put these 2 together:
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