SOLUTION: Consider the problem:
x-7
____
x+2
divided by
x-4
___
x+1
Explain why -2, -1, and 4 are not allowable replacemen
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Question 156325This question is from textbook elementary and intermediate algebra
: Consider the problem:
x-7
____
x+2
divided by
x-4
___
x+1
Explain why -2, -1, and 4 are not allowable replacements for the variable x.
This question is from textbook elementary and intermediate algebra
Answer by kdr(11) (Show Source): You can put this solution on YOUR website!
In the expression (x-7)/(x+2) divided by (x-4)/(x+1), -2, -1, and 4 are not allowable replacements for the variable x since substituting each of them for x in the expression will result in a division by zero, which is undefined.
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