Divide (5a³ - 4a² + 3a + 18) by (a² - 2a + 3).

1

Subtract 4a² + 5b² - 6c² + 8 from 2a² - 3b² - 4c² - 5.

2

Find each of the following products:

(i) (4a + 5b) x (5a - 6b) (ii) (6x² - x + 8) × (x² - 3)

4

If = 4, find the value of

(i) , (ii) .

5

Evaluate {(83)² - (17)²}.