Question
I. 2y2 - 15y + 18 = 0 II.
2x2 + 9x - 18 = 0Solution
I. 2y2 - 15y + 18 = 0 2y2 - 3y - 12y + 18 = 0 y (2y - 3) - 6 (2y - 3) = 0 y = 6, 3/2 II. 2x2 + 9x - 18 = 0 2x2- 3x + 12x - 18 = 0 x (2x - 3) + 6 (2x - 3) = 0 x = - 6, 3/2 Hence, x ge; y
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