The equation formed by decreasing each root of \( a x^{2}+b x+c=0 \) by 1 is \( 2 x^{2}+8 x+2=0 ...

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The equation formed by decreasing each root of \( a x^{2}+b x+c=0 \) by 1 is \( 2 x^{2}+8 x+2=0 \)
(A) \( a=-b \)
(B) \( b=-c \)
(C) \( c=-a \)
(D) \( b=a+c \)
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