Question 26689
i take it, it is {{{9x^2 = 4}}}? The minus sign is not part of the equation?


{{{x^2 = 4/9}}} --> now square root both sides, to give


{{{x = sqrt(4/9)}}} or {{{x = - sqrt(4/9)}}}
{{{x = 2/3}}} or {{{x = -2/3}}}


jon.