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# undefined

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For what real values of a is the expression (a + 3)/((a^2 - 4)(a + 3)) undefined? List your answers in increasing order separated by commas.

Feb 22, 2021

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$$\frac{a+3}{(a^2 - 4)(a+3)} = \frac{1}{a^2 - 4} \quad (a \neq -3)$$

$$\boxed{a \neq -3, -2, 2}$$

^^the expression is undefined for these values of a.

Feb 22, 2021