1. (a³+2a²b²) (5a-4b).
2. (8a -4a²b²-3ab²+5b²)=-4a²b²-3ab²+5b²+8a
(a²+2a²b²) (5a-4b)= -16a²b³+20a³b²-8a³b+10a⁴
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Answers & Comments
1. (a³+2a²b²) (5a-4b).
2. (8a -4a²b²-3ab²+5b²)=-4a²b²-3ab²+5b²+8a
(a²+2a²b²) (5a-4b)= -16a²b³+20a³b²-8a³b+10a⁴