Please help me and do your work because I mustn't fail this math class for the sake of my sanity

hi           eeueueueuueue  

Step-by-step explanation:

It would be the first choice, x^2+14x+49=16 because you can take out the square root on both sides of the equation whereas for the other options you would need to use the quadratic formula to solve them. Taking the square root is: (x+7)^2 = 16 which equals x+7=4...