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For what values of x is \(\frac{x^{2} - 9x + 18}{x^{2} + 2x ...

For what values of x is x29x+18x2+2x35 undefined?

A.

6 or 3

B.

-18 or -9

C.

-7 or 5

D.

-5 or 7

Correct answer is C

An fraction is undefined when the denominator has value = 0.

x29x+18x2+2x35 is undefined when x2+2x35=0

x2+7x5x35=0(x+7)(x5)=0

x=-7 or 5