SOLUTION: How do you solve the problem x^2=1/9? I tried recriprocals but I am still confused...
Algebra
->
Expressions-with-variables
-> SOLUTION: How do you solve the problem x^2=1/9? I tried recriprocals but I am still confused...
Log On
Algebra: Expressions involving variables, substitution
Section
Solvers
Solvers
Lessons
Lessons
Answers archive
Answers
Click here to see ALL problems on Expressions-with-variables
Question 8478
:
How do you solve the problem x^2=1/9? I tried recriprocals but I am still confused...
Answer by
arunpaul(104)
(
Show Source
):
You can
put this solution on YOUR website!
x^2=1/9
0r 9x^2=1
or 9x^2-1=0
or (3x+1)(3x-1) =0
when 3x+1 =0
then 3x =-1
or x = -1/3
when 3x-1 =0
or 3x=1
or x = 1/3
(Ans)