‎对于方程<img src="http://jgxm-question.oss-cn-beijing.aliyuncs.com/psst/files/e9232fcc314f4139ae19eea30e1ccb43.png?x-oss-process=image/sharpen,200"/>，常数<img src="http://jgxm-question.oss-cn-beijing.aliyuncs.com/psst/files/afbf73e4c5684cdc886b396d099d7bfd.png?x-oss-process=image/sharpen,200"/>和<img src="http://jgxm-question.oss-cn-beijing.aliyuncs.com/psst/files/494686d47ff64ff69140859faabbe76b.png?x-oss-process=image/sharpen,200"/>不同时为零，则下列哪些说法正确？‍