SOLUTION: Please help me solve. Thank you (1-x)^2=9 I think that I am supposed to set it to zero but it somehow isn't working for me.

Algebra ->  Inequalities -> SOLUTION: Please help me solve. Thank you (1-x)^2=9 I think that I am supposed to set it to zero but it somehow isn't working for me.       Log On


   

Question 223591: Please help me solve. Thank you
(1-x)^2=9
I think that I am supposed to set it to zero but it somehow isn't working for me.
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
(1-x)^2=9
(1-x)=sqrt9
1-x=3
-x=3-1
-x=2
x=-2 ans.
Proof:
(1-(-2))^2=9
(1+2)^2=9
3^2=9
9=9