WAEC - Mathematics (1994 - No. 17)

For what value of x is the expression \(\frac{x^2 + 15x + 50}{x - 5}\) not defined ?
-10
-5
o
5
10

Explanation

\(\frac{x^2 + 15x + 50}{x - 5}\)

It is undefined when x - 5 = 0.

That is at x = 5.

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