Find Where Undefined/Discontinuous (m+5)/(mn+3m)

Math
Set the denominator in equal to to find where the expression is undefined.
Solve for .
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Factor out of .
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Factor out of .
Factor out of .
Factor out of .
Divide each term by and simplify.
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Divide each term in by .
Cancel the common factor of .
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Cancel the common factor.
Divide by .
Divide by .
The equation is undefined where the denominator equals , the argument of a square root is less than , or the argument of a logarithm is less than or equal to .
Find Where Undefined/Discontinuous (m+5)/(mn+3m)

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