Answer:
12.8 so about 13
Step-by-step explanation:
Answer:
16.33628179866692
Step-by-step explanation:
I dont know how far you wanted me to round so you will have to do that part
The mistake is there is no parenthesis around 4x+12
= 2ab + 4a + 6 - 6
= 2ab + 4a
you can factor this to 2a(b + 2)