x² + 2(5x + 12) in the form of factors is :

1. (x - 6)(x + 4)

2. (x - 6)(x - 4)

3. (x + 6)(x + 4)

4. (x + 6)(x - 4)

x(2x - 5) + 3 in the form of factors is :

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

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

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

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

x(x - 1) - 20 in the form of factors is :

1. (x - 5)(x + 4)

2. (x - 5)(x - 4)

3. (x + 5)(x - 4)

4. (x + 5)(x + 4)

5 - x(6 - x) in the form of factors is :

1. (1 - x)(5 + x)

2. (1 + x)(5 + x)

3. (1 - x)(5 - x)

4. (1 + x)(5 - x)