(3b-1)do potegi 2+2(3b+1)do potegi 2 3/x-x/2x-4 Prosze.potrzebne mi na teraz .. DAJE NAJ!!
(3b-1)²+2(3b+1)²=9b²-6b+1+2(9b²+6b+1)=9b²-6b+1+18b²+12b+1=27b²+6b+3
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(3b-1)²+2(3b+1)²=9b²-6b+1+2(9b²+6b+1)=9b²-6b+1+18b²+12b+1=27b²+6b+3
(3b-1)²+2(3b+1)²=9b²-6b+1+2(9b²+6b+1)=9b²-6b+1+18b²+12b+1=27b²+6b+3