 АлексаLove06 
                                                31.07.2019 01:20
                                                
                                                АлексаLove06 
                                                31.07.2019 01:20
                                             Gowaimargowa123 
                                                31.07.2019 01:20
                                                
                                                Gowaimargowa123 
                                                31.07.2019 01:20
                                             Gumashova 
                                                31.07.2019 01:20
                                                
                                                Gumashova 
                                                31.07.2019 01:20
                                             vlad20077 
                                                31.07.2019 01:20
                                                
                                                vlad20077 
                                                31.07.2019 01:20
                                             Ника65790 
                                                31.07.2019 01:20
                                                
                                                Ника65790 
                                                31.07.2019 01:20
                                             ggix 
                                                31.07.2019 01:20
                                                
                                                ggix 
                                                31.07.2019 01:20
                                             NeviL1488 
                                                31.07.2019 01:20
                                                
                                                NeviL1488 
                                                31.07.2019 01:20
                                             МишаКарпунин 
                                                31.07.2019 01:20
                                                
                                                МишаКарпунин 
                                                31.07.2019 01:20
                                             numucirad 
                                                31.07.2019 01:20
                                                
                                                numucirad 
                                                31.07.2019 01:20
                                             pigurska 
                                                31.07.2019 01:20
                                                
                                                pigurska 
                                                31.07.2019 01:20
                                            
10x² + 14x - (10x² + 15x - 2x - 3) = 4
10x² + 14x - 10x² - 15x + 2x + 3 = 4
x +3 = 4
x = 4 - 3
x = 1
10х^2 + 14х – (10х^2 + 15х – 2х – 3) = 4
10х^2 + 14х –(10х^2 + 13х – 3) = 4
10х^2 + 14х – 10х^2 – 13х + 3 = 4
х + 3 = 4
х = 4 – 3
х = 1