Question 1204808
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Observe that 4k+3 = 2(2k+1)+1.  Then<br>
{{{6^(4x+3)}}} = {{{(6^(4x+2))(6^1)}}} = {{{(6^(2(2x+1)))(6)}}} = {{{((6^(2x+1))^2)(6)}}} = {{{(k^2)(6)}}}<br>
ANSWER: {{{6k^2}}}<br>