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19 votes
For which values of x is the expression undefined? {5x+30}/{x+7}

User LeoHorie
by
6.3k points

1 Answer

6 votes

Answer:

When x =-7

Explanation:

When the denominator equals 0 (can't divide by 0).

x+7=0 ==> x = -7

User Paul Prewett
by
7.7k points
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