Factor: $x^2-11x+30$

Factor: $5x^2-17x+14$

Factor: $8x^2-14x+6$

Factor: $x^2-17x+66$

Factor: $4x^2-16x+15$

Factor: $10x^2-101x+10$

Factor: $14x^2-34x+12$

Factor: $3x^2-17x+20$

Factor: $x^2-17x+72$

Factor: $x^2-21x^2+110$