Question

(6m+5n) (7m-3 н)помогите

Answer 1

(6m + 5n)(7m - 3n) = 42m² - 18mn + 35mn - 15n² = 42m² + 17mn - 15n²

Answer 2

(6m+5n)•(7m-3н)
6m •7 my -6m •3 н +5 n •7 m-5n•3н
Ответ:42m^2-18нm+35mn-15нn