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30-10-2019
Mathematics

contestada

What is the value of the rational expression x over x^2 -9 when x = -3?

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altavistard altavistard

30-10-2019

Answer:

Undefined

Step-by-step explanation:

Undefined. If x = -3, x^2 is +9, and 9 - 9 is zero. We'd have division by zero.

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