II. ALGEBRA OR GEOMETRY.

(a) Algebra.

The full working must be shown in all cases.

1. If 2p - 3q = 8, ½q = p - 6, find the value of

(p - q)² - 7(p² - q²) + 12(p + q)².

2. Divide

x⁶ + ax⁵ - 12a²x⁴ + 19a³x³ + 15ax² - 14ax + 2a

by

x² + 4ax - 2a².

3. Find the highest common factor of