Question

resolve into factor is 6m²-11mn-10n²​

Answer 1

$\large \fbox \red { αηsωεя}$

${6m}^{2} - 11mn \: - {10n}^{2} \\ = {6m}^{2} - (15 - 4)mn - {10n}^{2} \\ = {6m}^{2} - 15mn + 4mn - {10}^{2} \\ 3m(2m - 5n) + 2n(2m - 5n) \\ = (2m - 5n)(3m + 2n)$