Posted by Swtpllypb on Saturday, September 12, 2009 at 10:55am.
For what values of x is the following expression: 1/(x^225). How do you solve and determined the undefined value? Thanks!

algebra  Cool rich., Saturday, September 12, 2009 at 11:18am
(x^225)=0
Get the square root of x^225
=(X5)(X+5)
5 5

algebra  bobpursley, Saturday, September 12, 2009 at 11:31am
the expression has to be an equation, equal to something. In the cool rich response, it is wrong. the expression X^225=0 cannot ever be here, as the expression has that in the denominator, and division by zero is never allowed.

algebra  drwls, Saturday, September 12, 2009 at 11:57am
I think your question left out an important word. Did you mean to write:
<<For what values of x is the following expression undefined?
1/(x^225).>>
The answer to THAT question is the two values of x for which the denominator is zero.
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