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x1+x2=b
x1+x2=-p
X1*x2=c
x1*x2=p/2+2
x1^2+x2^2=2
(x1+x2)^2 - 2*x1*x2=2
(-p)^2 - 2(p/2+2) =2
p^2 -p -4 =2
p^2 -p -6=0
(p-3) (p-2) = 0
p=3
p =2
p=3
x^2 - 3x +3/2+2=0
2x^2 - 6x +7 =0
x =
x=
p=2
x^2 -2x + 3=0
x=
x=