If one root of equation (p - 3)x² + x + p = 0 is 2, the value of p is :

1. -2

2. 2

3. ±2

4. 1 and 2

If $x + \dfrac{1}{x}$ = 2.5, the value of x is :

1. 4

2. 5 and $\dfrac{1}{5}$

3. 2 or $\dfrac{1}{2}$

4. 2 and $\dfrac{1}{2}$

Solve the following equation by factorisation:

(2x - 3)² = 49

Solve the following equation by factorisation:

(x + 1)(2x + 8) = (x + 7)(x + 3)