I. x2 – 12x + 32 = 0
II. y2 + y - 20 = 0
I. x2 – 12x + 32 = 0 pairs = -8, -4 after sign changing values will be = 8,4 II. y2 + y - 20 = 0 pairs = 5,-4 value after changing y = -5, 4 Hence, x ≥ y
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