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V125BC [204]
2 years ago
12

Find all values of the variable x for which the rational expression is undefined.

Mathematics
1 answer:
SashulF [63]2 years ago
5 0

Answer:

Step-by-step explanation:

8x+9/x^2-13x+42

Write  8 x  as a fraction with denominator 1

8x+9/x^2-13x+42

then we multipuly 8x/1  by x^2/x^2

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