(14x+21)*(1,8-0,3)=0

Question

(14x+21)*(1,8-0,3)=0

Answer 1

(14х+21)*(1,8-0,3)=0
25,2х-4,2х+37,8-6,3=0
21х=6,3-37,8
21х=-31,5
х=-1,5

Answer 2

(14x+21)*1,5=0
14x+31,5=0
14x=-31,5
x=2,25
вроде