9x2 - 18x = -3
x2 - 2x = -1/3
x2 - 2x + 1 = 1 - 1/3
(x - 1)2 = 2/3
x - 1 = ±√2/3
x = 1 ± (1/3)√6)
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x = -2/3,7/6
9x2 - 18x + 99(x2 - 2x + 1)==========
11x = 20x +1811x-20x=18x(11-20)=18-9x=18x=-2
2x2+18x = 20 2x2+18x-20 = 0 x2+9x-10 = 0 (x+10)(x-1) = 0 x = -10 or x = 1
9x squared-15x squared = -6