Of course, but there is a question that you must make clear. It's better to indicate which formula you use and explain it a little, because the expression of high numbers is not as high as that of high school, and the college entrance examination teacher's marking speed is very fast. They have formed a fixed thinking. If they don't see what they want, it will easily lead to misjudgment. Determinant is something in linear algebra, which is better than the method in high school! Good luck to the landlord!