a3b(a2-2a)+2ab(a3-1)
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Answer:
ab(a4-2)
Step-by-step explanation:
a³b(a²-2a)+2ab(a³-1)
⇒a^5-2a^4b+2a^4b-2ab
⇒a^5b-2ab
⇒a^4(ab)-2(ab)
⇒ab(a^4-2)
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