factorize m2 +17mn -84n2 Share with your friends Share 0 Varun.Rawat answered this m2 + 17mn - 84n2=m2 + 21mn - 4mn - 84n2=mm + 21n - 4nm + 21n=m - 4nm + 21n 3 View Full Answer Dinesh answered this m2+17mn-84n2 = m2+21mn-4mn-84n2[m2+21mn]+[-4mn-84n2]m(m+21n)-4n(m+21n)(m-4n)(m+21n) 4
