For the parabola 9x^2-24xy +16y^2-20x-15...

For the parabola `9x^2-24xy +16y^2-20x-15y-60 = 0` which of the following is/are true
(A) focus=`(-43/25,-129/100)`
(B) focus= `(43/25,129/100)`
(C) directrix: `4x+3y+53/4=0`
(D) directrix: `4x+3y-53/4=0`

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