$$\vec{a} = (3; 2)$$;
$$2\vec{a} = 2(3; 2) = (6; 4)$$;
$$3\vec{a} = 3(3; 2) = (9; 6)$$;
$$- \vec{a} = -(3; 2) = (-3; -2)$$;
$$-3\vec{a} = -3(3; 2) = (-9; -6)$$.
Ответ: $$2\vec{a} = (6; 4)$$, $$3\vec{a} = (9; 6)$$, $$- \vec{a} = (-3; -2)$$, $$-3\vec{a} = (-9; -6)$$.