SOLUTION: Solve. -9(x-3)^2=-7 Please help. Thank you.

Algebra ->  Square-cubic-other-roots -> SOLUTION: Solve. -9(x-3)^2=-7 Please help. Thank you.      Log On


   

Question 33211: Solve. -9(x-3)^2=-7
Please help.
Thank you.
Answer by sarah_adam(201) About Me  (Show Source):
You can put this solution on YOUR website!
-9(x-3)^2=-7
cancell the negative signs on both sides of the equation
9%28x-3%29%5E2 = 7
%28x-3%29%5E2= 7/9
taking square roots both sides we get
(x-3) =+sqrt%287%29%2F3
(x-3) = sqrt%287%29%2F3
x = 3 + sqrt%287%29%2F3
x = [9+sqrt%287%29]/3