1. Quadratic Factorising If you can long multiply you can factorise!

2. 24 x 28 204 8 40080 16032 400 80 160 32 672 + (20 + 4)(20 + 8) 24 28 192 480 672 8 x 24 20 x 24 480 192 x + 1

3. a4 a 8 a2a2 4a 8a32 a 2 4a 8a 32 a 2 + 12a + 32 + (a + 4) (a + 8) 8a + 32 x 8(a + 4) a(a + 4) a 2 + 4a 8a + 32 + a 2 + 4a a 2 + 12a + 32 (a + 4)(a + 8) 2 (a + 4) x (a + 8)

4. a-4-4 a 8 a2a2 -4a 8a-32 a 2 -4a 8a -32 a 2 + 4a - 32 + (a - 4) (a + 8) 8a - 32 x 8(a - 4) a(a - 4) a 2 - 4a 8a - 32 + a 2 - 4a a 2 + 4a - 32 (a - 4)(a + 8) 3 (a - 4) x (a + 8)

5. a-4-4 a -8-8 a2a2 -4a -8a+32 a 2 -4a -8a +32 a 2 -12a + 32 + (a - 4) (a - 8) 8a + 32 x 8(a - 4) a(a - 4) a 2 - 4a -8a + 32 + a 2 - 4a a 2 - 12a + 32 (a - 4)(a - 8) 4 (a - 4) x (a - 8)