Question 1204808
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if 6^(2x+1) =k, then 6^(4x+3) equals
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<pre>
  {{{6^(4x+3)}}} = trace/watch attentively each and every my step = 

= {{{6*6^(4x+2)}}} = {{{6*6^(2*(2k+1))}}} = {{{6*(6^(2k+1))^2}}}  = {{{6*k^2}}}.


<U>ANSWER</U>.  If 6^(2x+1) =k, then 6^(4x+3) equals {{{6k^2}}}.
</pre>

Solved.