answer and becom brainliest
but ans should be correct
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Step-by-step explanation:
a²(a-3b²)-ab(b²-2ab)-a(b³-5a²)
= a³-3a²b²-ab³+2a²b²-ab³+5a³
=5a³+a³-3a²b²+2a²b²-ab³-ab³
=6a³-a²b²-2ab³ ans .
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