 Shrhfhd 
                                                27.04.2020 11:45
                                                
                                                Shrhfhd 
                                                27.04.2020 11:45
                                             hvorovmax 
                                                27.04.2020 11:45
                                                
                                                hvorovmax 
                                                27.04.2020 11:45
                                             Dancerebuclic2017 
                                                27.04.2020 11:45
                                                
                                                Dancerebuclic2017 
                                                27.04.2020 11:45
                                             SANMAN26 
                                                27.04.2020 11:45
                                                
                                                SANMAN26 
                                                27.04.2020 11:45
                                             destroyer0800 
                                                27.04.2020 11:45
                                                
                                                destroyer0800 
                                                27.04.2020 11:45
                                             ilyas59 
                                                27.04.2020 11:45
                                                
                                                ilyas59 
                                                27.04.2020 11:45
                                             parus27 
                                                27.04.2020 11:45
                                                
                                                parus27 
                                                27.04.2020 11:45
                                             Рита460 
                                                27.04.2020 11:45
                                                
                                                Рита460 
                                                27.04.2020 11:45
                                            
x^2+11x=8x+10
x^2+3x -10=0
D=9+40=49+7^2
x1=-3+7/2=2
x2=-3-7/2=-5