答案
解:(1)6x(y-3)+4(3-y),
=6x(y-3)-4(y-3),
=2(y-3)(3x-2);
(2)(3a-2b)
2-(2a+3b)
2,
=[(3a-2b)+(2a+3b)][(3a-2b)-(2a+3b)],
=[3a-2b+2a+3b][3a-2b-2a-3b],
=(5a+b)(a-5b).
解:(1)6x(y-3)+4(3-y),
=6x(y-3)-4(y-3),
=2(y-3)(3x-2);
(2)(3a-2b)
2-(2a+3b)
2,
=[(3a-2b)+(2a+3b)][(3a-2b)-(2a+3b)],
=[3a-2b+2a+3b][3a-2b-2a-3b],
=(5a+b)(a-5b).