Question

разложите на меожители:6mnk^2+15m^2k-14n^3k-35mn^2

Answer 1

6mnk² + 15m²k - 14n³k - 35mn² = ( 6mnk² - 14n³k ) + ( 15m²k - 35mn² ) =
= 2nk( 3mk - 7n² ) + 5m( 3mk - 7n² ) = ( 2nk + 5m )( 3mk - 7n² )