You can put this solution on YOUR website! write each rational expression in lowest terms.
m^2-25/4m -20
(m+5)(m-5)/4(m-5)= m+5/4
What do I do now?
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You should place parenthesis so your question is definitive.
(m^2-25)/(4m-20) appears to be the expression you want to reduce.
If so,
and that is as far as you can reduce it.
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( note that you may have had the same answer in mind but m+5/4 does NOT equal (m+5)/4 )