Answer
$(t-10)(t^2+10t+100)$
Work Step by Step
Using $a^3+b^3=(a+b)(a^2-ab+b^2)$ or the factoring of 2 cubes, the factored form of the given expression, $
t^3-1000
,$ is
\begin{array}{l}
(t-10)[(t)^2-(t)(-10)+(-10)^2]
\\\\=
(t-10)(t^2+10t+100)
.\end{array}