6. Use the same technique as in (4 and 5) above to factorise x² + 3x - 4. Show all the Steps. 7. Use the same technique as in (4 and 5) above to factorise the following. Show all the Steps. 7.1 x²-x-6. Diagram: 7.2 Solution: 2x² + 5x-3. Diagram: (5) (3) (2)
