Question

[15 Points]

Find the least common multiple of the expressions:

1. 3x^2, 6x - 18

2. 5x, 5x(x +2)

3. x^2 - 9, x + 3

4. x^2 - 3x - 10, x + 2

Please explain if possible

Answer 1

1. 3*x*x, 6(x - 3): 6x^2(x - 3)

2. 5x, 5x(x + 2): 5x(x + 2)

3. (x + 3)(x - 3), x + 3; (x + 3)(x - 3)

4. (x - 5)(x + 2), x + 2; (x + 2)(x - 5)