SOLUTION: sqrt(1x-1)+8=8x

Algebra ->  Radicals -> SOLUTION: sqrt(1x-1)+8=8x      Log On


   

Question 335301: sqrt(1x-1)+8=8x
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
sqrt%28x-1%29%2B8=8x
sqrt%28x-1%29=8x-8
sqrt%28x-1%29=8%28x-1%29
Square both sides.
x-1=64%28x-1%29%5E2
64%28x-1%29%5E2-%28x-1%29=0
%28x-1%29%2864%28x-1%29-1%29=0
%28x-1%29%2864x-65%29=0
Two solutions:
x-1=0
highlight%28x=1%29
.
.
.
64x-65=0
64x=65
highlight%28x=65%2F64%29