1.05 Factorising

9 x and 8 x

9 x n and 4 a x

18 b^{2} n and 7 b^{2} m

13 y^{2} a n and 17 m y^{2} b

9 b x m and 5 b x a

8 m y and 12 a m

15 n^{2} m and 8 n m^{2}

20 x and 15 x^{2} n

16 a b n x and 12 a b m y

6abmn and 8bnxy

16 a^{2} b x^{3} y^{6} and 12 b^{4} m^{2} n^{6} x

12a^7bm^3y^2 and 9ab^5n^2x^3

3 b x, 2 n b and 5 b a

4 x^{2} a n, 3 b x^{4} m and 12 m a x^{3}

y^{2} + 5 y = y \left(⬚ + ⬚\right)

- m^{2} + 19 m = ⬚ \left(m - 19\right)

8 v - v^{2} = v \left(⬚-⬚\right)

11 u - 19 u^{2} = u \left(⬚ - ⬚\right)

- 38 x y - 4 y^{2} = ⬚ \left( 19 x + 2 y\right)

- 12 s + 10

- 35 m + 49 n