Ответ:
x^2+7x+10=0
D=49-40=9
x1=-7-3/2=-5
x2=-7+3=-2
x1^2+x2^2=(-5)^2+(-2)^2=29
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Ответ:
x^2+7x+10=0
D=49-40=9
x1=-7-3/2=-5
x2=-7+3=-2
x1^2+x2^2=(-5)^2+(-2)^2=29