With a square, all you need to do to find the length of one side is to divide the perimeter by 4. If it is the area you are calculating, then you need to find the square root. For that equation the answer is 24.
Answer:

Step-by-step explanation:
The quadratic formula:

So, we need to move all the terms to one side of the equation, which now becomes

Plugging in the numbers and you'll get the two roots/
Answer:
Can you provide a photo? Because I would love to help!
Step-by-step explanation:
Divide 12 by 4
the answer would be 3
Step-by-step explanation: