SOLUTION: Solve the quadratic equations by using an optimum method. (x - 1)^2 = 7 I really need help. Thanks you.

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: Solve the quadratic equations by using an optimum method. (x - 1)^2 = 7 I really need help. Thanks you.      Log On


   

Question 31971: Solve the quadratic equations by using an optimum method.
(x - 1)^2 = 7
I really need help.
Thanks you.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Take the sqrt of both sides of the equation to get:
x-1 = sqrt 7 or x-1 = -sqrt 7
x=1+sqrt 7 or x=1-sqrt 7
Cheers,
Stan H.