SOLUTION: I ned help with this: (z+2)to the negative two-third power = 3

Algebra ->  Exponents-negative-and-fractional -> SOLUTION: I ned help with this: (z+2)to the negative two-third power = 3      Log On


   



Question 291193: I ned help with this:
(z+2)to the negative two-third power = 3

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
%28z%2B2%29%5E%28-%282%2F3%29%29=3
Taking both sides to the -(3/2) power.
z%2B2=3%5E%28-%283%2F2%29%29
z%2B2=1%2F%283%2Asqrt%283%29%29
z=1%2F%283%2Asqrt%283%29-%286%2Asqrt%283%29%29%2F%283%2Asqrt%283%29%29%29
z=%281-6%2Asqrt%283%29%29%2F%283%2Asqrt%283%29%29%29
z=%281-6%2Asqrt%283%29%29%2F%283%2Asqrt%283%29%29%2A%28sqrt%283%29%29%2F%28sqrt%283%29%29
z=%28sqrt%283%29-6%2A3%29%2F%283%2A3%29
z=%28sqrt%283%29-18%29%2F%289%29