Question
Wed September 30, 2009 By:

Quadratic equation

Expert Reply
Wed September 30, 2009

9x2-15x+6 = 0

9x2-9x - 6x +6 = 0

9x(x - 1) - 6(x-1) = 0

(x - 1)(9x - 6) = 0

x = 1; x = 2/3.

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