SubArea: Polynomials and fractionsLevel: BProject ID: 2010006603Source Problem: 2010006604Accepted: 0Clonable: 1Easy: 0Assuming \(m\neq 0\), simplify the expression: \[m+n-\frac{m^2-n^2}{m}\]\( \frac{n(m+n)}m\)\( \frac{n(m-n)}m\)\( \frac{mn-n^2}m\)\( \frac{n^2-mn}m\)
