2 is thale answer i did somewthing wrong in the picture sorry
Answer:
Yes
Step-by-step explanation:
Because it is 12 <u><em>below</em></u> 0, it is a negative number.(-12)
Answer:

Step-by-step explanation:
To solve this problem you must apply the proccedure shown below:
1. You have that the quadratic formula is:

2. To solve the quadratic equation you must substitute the values. So, you have that:

Then you have:

3. Therefore, you obtain the following result:

Answer:
123
Step-by-step explanation:
Answer:
x = 12/5
Step-by-step explanation:
take the square of both sides
(x^2+49) = (x+5)^2
x^2 + 49 = (x+5) (x+5)
x^2+49= x^2 + 10x + 25
10x + 25 = 49
10x = 24
x = 12/5