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3x ^ 2-11x + 7 = 0

3x ^ 2-11x + 7 = 0

x^2-11x/3=-7/3
x^2-11x/3+121/36=-7/3+121/36
(x-11/6)^2=37/36
x-11/6=±√37/6
x=(11-√37)/6,x=(11+√37)/6

Solving 3x ^ 2-11x + 9 = 0

11 + 13 / 6 or 11-13 / 6

Square of (X-Y) - half (X-Y) + sixteenth

Square of (X-Y) - half (X-Y) + sixteenth
=（x-y-1/4）²;