Final answer to the problem
$\frac{x^{18}-y^{18}}{\left(x-y\right)\left(x^2+xy+y^{2}\right)}$
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Step-by-step Solution
1
Factor the difference of cubes: $a^3-b^3 = (a-b)(a^2+ab+b^2)$
$\frac{x^{18}-y^{18}}{\left(x-y\right)\left(x^2+xy+y^{2}\right)}$
Final answer to the problem
$\frac{x^{18}-y^{18}}{\left(x-y\right)\left(x^2+xy+y^{2}\right)}$
