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