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t³+2t+3=0
t³-t+3t+3=0
t(t²-1)+3(t+1)=0
t(t+1)(t-1)+3(t+1)=0
(t+1)(t²-t+3)=0
t=-1
log₄x=-1
x=4⁻¹
x=1/4
t do 3 + 2t +3 =0
(t+1)(t do 2 -t +3)= 0
z 1 nawiasu t=-1 z drugiego nic bo delta wychodzi ujemna
i teraz log o podstawie 4 z x = t (wracamy do założenia)
czyli log o podstawie 4 z x = -1
czyli x to 4 do -1
czyli x = 1/4