Respuesta :

Answer:

The first one and the third one

Step-by-step explanation:

6(x - 4) is 6*x - 6*4 (distributive property) = 6x-24

2(3x - 24) is 2*3x - 2 * 24 = 6x - 48 ≠ 6x - 24

3(2x - 8) is 3*2x - 3*8 = 6x - 24

3(3x - 21) is 3*3x - 3*21 = 9x - 63 ≠ 6x - 24