Answer:
Step-by-step explanation:
12x = 2 * 2 * 3 * x
8 = 2* 2 * 2
Greatest common factor = 2 * 2 = 4
12x - 8 = 4*3x - 4*2
= 4*(3x - 2)
Look at the attached picture ⤴
Hope it will help u ..
