Factorisation of 3x² + 7x - 6

1. (3x - 2)(x + 3)

2. (3x + 2)(x - 3)

3. (3x - 2)(x - 3)

4. (3x + 2)(x + 3)

Factorisation of 4x² + 8x + 3 is

1. (x + 1)(x + 3)

2. (2x + 1)(2x + 3)

3. (2x + 2)(2x + 5)

4. (2x - 1)(2x - 3)

Factorisation of x² - 4xy + 4y² is

1. (x + 2y)(x - 2y)

2. (x + 2y)(x + 2y)

3. (x - 2y)(x - 2y)

4. (2x - y)(2x + y)

Which of the following is a factor of (x + y)³ - (x³ + y³)?

1. x² + xy + 2xy

2. x² + y² - xy

3. xy²

4. 3xy