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Find All Numbers for Which the Rational Expression Is Not x2−36x2−13x+42\frac{x^{2}-36}{x^{2}-13 x+42}

Question 194

Multiple Choice

Find all numbers for which the rational expression is not defined.
- x2−36x2−13x+42\frac{x^{2}-36}{x^{2}-13 x+42}


A) x=−7x=-7 and x=−6x=-6
B) x=0x=0
C) x=6x=6 and x=−6x=-6
D) x=7x=7 and x=6x=6

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