Answer:
8 • (5x - 1)
Explanation:
Step 1 : See below
Step 2 : See below
Pulling out like terms/ factors
8x - 4 = 4 • (2x - 1)
Equation at the end of step 2 :
20 • (2x - 1) + 12
Step 3 : See below
Step 4 : See below
Pull out like factors:
40x - 8 = 8 • (5x - 1)
Answer: 8 • (5x - 1)
Hope this helps.