SOLUTION: What are the exact solutions for the following to 3 decimal places: (x + 7)^2 = 81

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equation Customizable Word Problems -> SOLUTION: What are the exact solutions for the following to 3 decimal places: (x + 7)^2 = 81      Log On


   

Question 430592: What are the exact solutions for the following to 3 decimal places:
(x + 7)^2 = 81
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi

(x + 7)^2 = 81

 x+7 = ± 9

 x = 7 ± 9

 x = 16 and x = -2