Разложите на множители А.a(2a-b)-2a+b = ... Б.b(a-3c)-2a+6c = ... В.ac-2(d-c)-ad = ... Г.-2xy-3z(y-2w)+4xw =

А. a ( 2a - b ) - 2a + b = a ( 2a - b ) - ( 2a - b ) = (a - 1 ) * ( 2a - b ) ;Б. b ( a - 3c ) - 2a + 6c = b ( a - 3c ) - 2 ( a - 3c ) = ( a - 3c ) * (b - 2) ;В. ac - 2 ( d - c ) - ad = ac - ad - 2 ( d - c ) = - a ( d - с ) - 2 ( d - c ) = ( d - с ) * ( -a -2 ) ;Г. - 2xy - 3z ( y- 2w ) + 4xw = - 2xy + 4xw - 3z ( y- 2w ) = -2x ( y - 2w ) - 3z ( y- 2w ) = ( y - 2w ) * ( - 2x - 3z ) .