by how much does -4a²b-3ab²+b² exceed a³+2a²b+6ab²-b²
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Answer:
a³+6a²b+9ab²-2b²
Step-by-step explanation:
a³+2a²b+6ab²-b²
-4a²b-3ab²+b²
=a³+6a²b+9ab²-2b²
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