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Mathematics
Tommy Hess
4 May, 22:15
Simplify the sum 4/m+9 + 5/m2 - 81
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Marely Warren
4 May, 22:43
0
Factor
m^2-81 = (m-9) (m+9)
multiply other equation by (m-9) / (m-9)
4 (m-9) / (m^2-81) + 5 / (m^2-81)
(4 (m-9) + 5) / (m^2-81)
(4m-36+5) / (m^2-81)
(4m-31) / (m^2-81)
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Whitney Acosta
5 May, 00:29
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The answer to the question is 4m-31 / (m-9) (m+9)
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