Answers

2014-07-21T18:23:50+08:00
F(x) = 6x^2 - 18x + 5
y = 6x^2 - 18x + 5
y = 6(x^2 - 3x) + 5
y = 6(x^2 - 3x + 9/4) + 5 - 6(9/4)
y = 6(x - 3/2)^2 - 17/2
y + 17/2 = 6(x - 3/2)^2
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