Assuming you mean "expand":
(p-q) (6p-2q).
Multiply "p" and "q" by everything in the second set of parentheses:
(p-q) (6p-2q):
= 6p^2 - 2qp - 6pq + 2q^2
Subtract:
6p^2 - 8qp + 2q^2
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