Find the Product Of $( \sqrt { t } - 6 )$

Multiple Choice

Find the product of $( \sqrt { t } - 6 )$ and its conjugate.

A) $\sqrt { t } - 6$
B) $t- 12$
C) $\sqrt { t } - 36$
D) $t - 36$
E) $t + 12 \sqrt { t } - 36$