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OpenStudy (anonymous):
What are the excluded values? m +5 ____________ mn + 3m m = -5, n = -3 m = 0, n = -3 m = -3, n = 0
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OpenStudy (amistre64):
factor the bottom: (m)(n+3) If m=0 you get 5/0 which is meaningless. If n= -3 you get (m+5)/0 which is also meaningless. Throw out m=0 and n=-3
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