Question 1071981
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{{{4/x}}} = 9x  ====>  {{{x^2}}} = {{{4/9}}}  ====>  x = +/- {{{sqrt(4/9)}}} = +/- {{{2/3}}}.


There are two solutions: a) x = {{{2/3}}}  and  b) x = {{{-2/3}}}.
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