SOLUTION: How to solve (√(1+x)+√(1-x))(√(1+x)-√(1-x))

Algebra ->  Test -> SOLUTION: How to solve (√(1+x)+√(1-x))(√(1+x)-√(1-x))      Log On


   



Question 1013103: How to solve (√(1+x)+√(1-x))(√(1+x)-√(1-x))
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
We cannot solve but we can simplify and get
%28sqrt%281%2Bx%29%2Bsqrt%281-x%29%29%28sqrt%281%2Bx%29-sqrt%281-x%29%29=
%281%2Bx%29-%281-x%29=
2x