y=x(do kwadratu)+2x+1
delta=4-4=0
p=-2/2=-1
q=-0/4=0
y=(x+1){do kwadratu}-postac kanoniczna
y=x(do kwadratu)+4x-4
delta=16+16=32
p=-4/2=-2
q=-32/4=8
y=(x+2){do kwadratu}-8
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y=x(do kwadratu)+2x+1
delta=4-4=0
p=-2/2=-1
q=-0/4=0
y=(x+1){do kwadratu}-postac kanoniczna
y=x(do kwadratu)+4x-4
delta=16+16=32
p=-4/2=-2
q=-32/4=8
y=(x+2){do kwadratu}-8