Question
Simplify, giving Solution with positive index
$x^{2 a+7} \cdot x^{2 a-8}$

Answer

$x^{2 a+7} \cdot x^{2 a-8}$
$=\mathrm{x}^{2 a+7+2 a-8}=\mathrm{x}^{4 a-1}$

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