х³+1 - х*(х²-9)=62
х³+1 - х³+ 9х = 62
9х = 61 х = 61/9= 6 7/9
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х³+1 - х*(х²-9)=62
х³+1 - х³+ 9х = 62
9х = 61 х = 61/9= 6 7/9