Question 1023642
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log3 (x+3) + log3 (x-3) = 3
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<pre>
{{{log(3,(x+3)) + log(3,(x-3))}}} = {{{3}}}  --->  

(x+3)*(x-3) = {{{3^3}}},

{{{x^2 - 9}}} = {{{27}}},

{{{x^2}}} = {{{36}}},

x = 6.
</pre>