Answer:
x ≠ 8, 5
Explanation:
We only care about the denominator:
x² - 13x + 40
--------------------
-8 × -5 = 40
-8 + -5 = -13
(x - 8) (x - 5) = 0
x - 8 = 0. x - 5 = 0
x = 8. x = 5
I hope this helps!
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