Answer:
x = 5
Explanation:
The expression simplifies to 5x-25 (x≠0), so has solution ...
5x -25 = 0
x - 5 = 0 . . . . divide by 5
x = 5 . . . . . . . add 5
The only zero is at x=5.
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The graph of the function is the line y = 5x-25, with a "hole" at x=0.