SOLUTION: can you please help me express irrational solutions in simplest radical form: (((a^2-64=0)))

Algebra ->  Expressions-with-variables -> SOLUTION: can you please help me express irrational solutions in simplest radical form: (((a^2-64=0)))      Log On


   

Question 179168This question is from textbook algebra structure and method
: can you please help me express irrational solutions in simplest radical form: (((a^2-64=0))) This question is from textbook algebra structure and method

Answer by Mathtut(3670) About Me  (Show Source):
You can put this solution on YOUR website!
a%5E2=64
:
a%5E2=64divided both sides by 3
:
sqrt%28a%5E2%29=sqrt%2864%29
:
system%28a=8%2Ca=-8%29