Question 353873
3x squared minus 8 equal 0
.
{{{3x^2 - 8 = 0}}}
{{{3x^2 = 8}}}

{{{x^2 = 8/3}}}


{{{x = sqrt(8/3)}}}
Rationalizing the denominator:

{{{x = sqrt(8/3) * sqrt(3)/sqrt(3)}}}


{{{x = sqrt(8*3)/3}}}


{{{x = sqrt(2*2*2*3)/3}}}

{{{x = 2*sqrt(6)/3}}}  (this would be the "exact" answer)