D=(p-1)^2+4(p-1)=p^2-2p+1+4p-4=p^2+2p-3=0
p^2+2p-3=0
D1=1+3=4
p=-1+2=1
p=-1-2=-3
Ответ: -3 и 1
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D=(p-1)^2+4(p-1)=p^2-2p+1+4p-4=p^2+2p-3=0
p^2+2p-3=0
D1=1+3=4
p=-1+2=1
p=-1-2=-3
Ответ: -3 и 1