Ответ:
2x^2+2x+4=0
a=2
b=2
c=4
D=b^2-4ac=-3
X1,2={x=2
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Ответ:
2x^2+2x+4=0
a=2
b=2
c=4
D=b^2-4ac=-3
X1,2={x=2