Find the zeroes of the function
Zeros of a function means that f(x) = 0
0 = (x^2-14x+48) / (x^2-64)
Multiply both sides by the denominator to cancel
0 = x^2-14x+48
Factor if possible, if not use the quadratic formula
0 = (x - 8) (x - 6)
Set each factor equal to zero
x-8 = 0
x = 8
x = 6
The zeros for the function are at x = 6 and x = 8.
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