1.\:\:factor\:16x^{2}-8x+1
                                
                             
                                                    
                                
                                    2.\:\:factor\:25x^{2}+40x+16
                                
                             
                                                    
                                
                                    3.\:\:factor\:4x^{2}+12x+9
                                
                             
                                                    
                                
                                    4.\:\:factor\:4x^{2}-12x+9
                                
                             
                                                    
                                
                                    5.\:\:factor\:9x^{2}-12x+4
                                
                             
                                                    
                                
                                    6.\:\:factor\:4x^{2}-4x+1
                                
                             
                                                    
                                
                                    7.\:\:factor\:9x^{2}+6x+1
                                
                             
                                                    
                                
                                    8.\:\:factor\:4x^{2}-20x+25
                                
                             
                                                    
                                
                                    9.\:\:factor\:36x^{2}+12x+1
                                
                             
                                                    
                                
                                    10.\:\:factor\:16x^{2}+40x+25