(|k|-1)x^2+(k+1)x+3=0

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(|k|-1)x^2+(k+1)x+3=0

(|k|-1)x^2+(k+1)x+3=0
(|k|-1)x^2+(k+1)x+3=0

(|k|-1)x^2+(k+1)x+3=0