I. x2 + 31x + 238 = 0
II. 2y2 + 70y + 612 = 0
Answer: B x2 + 31x + 238 = 0 x2 + 17x + 14x + 238 = 0 x(x + 17) + 14(x + 17) = 0 (x + 14) (x + 17) = 0 x = -14, -17 2y2 + 70y + 612 = 0 2y2 +36y + 34y + 612 = 0 2y(y + 18) + 34(y + 18) = 0 (2y + 34) (y + 18) = 0 y = -17, -18 x ≥ y
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