Chapter A.4, Problem 39E

In Problems 35–42, imagine that the indicated “solutions” were given to you by a student whom you were tutoring in this class.

(A)    Is the solution correct? If the solution is incorrect, explain what is wrong and how it can be corrected.

(B)    Show a correct solution for each incorrect solution.

39.     $\frac{x^2-3x}{x^2-2x-3}+x-3=\frac{x^2-3x+x-3}{x^2-2x-3}=1$