Let's know the quadratic of X - 6x + y + 8y + 25 = 0 and find the value of X3 power
Quadratic of x-6x + quadratic of Y + 8y + 25 = 0
Square of (x-3) + square of (y + 4) = 0
x=3,y=-4
Original formula = 3 ^ 3 = 27
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