Faktorkan: 1. a² + 6a +8 2. a² - 9a + 18 3. X² +4x + 3 4. X² - 9x + 8 5. Y² + 8y +16

1. (a+4) (a+2)
2.(a-6) (a-3)
3. (x+3)(x+1)
4. (x-8)(x-1)
5. (y+4)(y+)

1) a^2 + 6a + 8
= (a + 4)(a + 2)

2) a^2 - 9a + 18
= (a - 6) (a - 3)

3) x^2 + 4x + 3
= (x + 3) (x + 1)

4) x^2 - 9x + 8
= (x - 8) (x - 1)

5) y^2 + 8y + 16
= (y + 4) (y + 4)