Question

m-4/m -m-3/m+1 решить!!!!

Answer 1

$frac{m-4}{m} - frac{m-3}{m+1} = frac{(m-4)(m+1)-m(m-3)}{m(m+1)} = frac{(m^2-3m-4)-(m^2-3m)}{m(m+1)} = \ \ = frac{m^2-3m-4-m^2+3m}{m(m+1)} = -frac{4}{m(m+1)} = -frac{4}{m^2+m}$