In each of the following questions, two equations are given. You have to solve them and $( (I) \quad x^2 + 12x + 27 = 0 \ (II) \quad y^2 + 11y + 30 = 0 )$
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In each of the following questions, two equations are given. You have to solve them and $( (I) \quad x^2 + 12x + 27 = 0 \ (II) \quad y^2 + 11y + 30 = 0 )$