SOLUTION: Can you please help me with this problem. 2(a+7)^2=34 /2 /2 (a+7)^2=17 I don't know what to do after that. I would really appreciate it if you helped.

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: Can you please help me with this problem. 2(a+7)^2=34 /2 /2 (a+7)^2=17 I don't know what to do after that. I would really appreciate it if you helped.      Log On


   

Question 193762This question is from textbook
: Can you please help me with this problem.
2(a+7)^2=34
/2 /2
(a+7)^2=17
I don't know what to do after that.
I would really appreciate it if you helped. This question is from textbook

Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


So far, so good. Now take the square root of both sides, remembering to consider both the positive and negative roots:





Now add -7 to both sides:



In other words:



or



Done. Unless you are required to provide a numerical approximation. In that case, get out your calculator.

John