1) (x+3)* =5x+ 2) (1.4-y)* = - 2y 3) ( x + 1/3)*6=12x+ 4) ( -4y)*2=6- y 5) (2.5+ x)*4= +...

Question

1) (x+3)* =5x+
2) (1.4-y)* = - 2y
3) ( x + 1/3)*6=12x+
4) ( -4y)*2=6- y
5) (2.5+ x)*4= + 12x
6) (3/4x+2)* = x+8

Answer 1

Что значит *?
1)( х+3)*=5х+х+х*+9