Simplest for answer = 4 5/8
For this case we must complete squares:

We add the square of half the coefficient of the term "x",
on both sides of the equation:

According to the perfect square trinomial we have:

Rewriting the expression we have:

ANswer:

Step-by-step explanation:
Dell Inspiron 15 5584 (C568125WIN9) Laptop (Core i7 8th Gen/8 GB/1 TB 512 GB SSD/Windows 10/4 GB)
Answer:
13
Step-by-step explanation:
It would be 13 because you would square the 5 and 12 to get 25 + 144 which equals 169. Then you would take the square root of 169 which is 13. Hope this helps! :)