用因式分解法解方程(x-1)²=9(x-1)

x��P�N�@�S��Hl#�)&�
��f��i��`amMl4ڮZ-e���c5��0�b��nN�=3�s�f�hF&����K�8��e�����v��o��s� �4���$�a�N� ۄ�4"�,�XMn"���N,u�̕ߌ���^�bOп:��$�G�PW4VdM�0OΌ*�ƛl�!�Oa���ܾ��� /^]��D�G1�)v�>������� ��(�)�
(׃
ȟ��d�f[/�,��`��Q��[��+�\��H��?wg���D��"s?�u@���wZ�~PMv(���~؁�