1. Ans;
[tex]10 {x}^{2} + 25x + 5 \\ 5(2 {x}^{2} + 5x + 1) [/tex]
2. Ans;
[tex] {x}^{4} {y}^{3} - 8x {y}^{2} + 12 {x}^{2}y \\ xy( {x}^{3} {y}^{2} - 8y + 12x)[/tex]
I hope I helped you^_^
