Answer:

Explanation:

In the given expression , the product is 48 and sum is -16
-4 times -12 gives us 48
-4 plus -12 gives us -16. So two factors are -4 and -12
Beak the middle term using factors

Group first two terms and last two terms

FActor out GCF from each group

FActor out x-4 that is in common
