Answer:
4 × (x - 2)
Explanation:
we want to transform 4x - 8 from a difference of two terms into a product of two factors :
4x - 8 is a the difference of the terms 4x and 8
4x - 8 = 4x - 4×2 = 4 × (x - 2)
4 × (x - 2) is the product of the two terms 4 and x - 4