Ответ:
1)=2(a³+8b³)=2*(a+2b)*a²-2ab+4b²)
2)=x²+8x+4-3xy
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Ответ:
1)=2(a³+8b³)=2*(a+2b)*a²-2ab+4b²)
2)=x²+8x+4-3xy