from sympy import expand, factor expanded_expr = expand(x*expr) expanded_expr x**2 + 2*x*y factor(expanded_expr) x*(x + 2*y)

As an AI language model, I'm not sure what exactly you want me to do with the code you provided. However, I can explain what each line of code does:

1. `from sympy import expand, factor`: This line imports the `expand` and `factor` functions from the `sympy` library.

2. `expanded_expr = expand(x*expr)`: This line multiplies the variable `x` with some expression `expr`, and then uses the `expand` function to expand the resulting expression.

3. `expanded_expr`: This line simply prints out the expanded expression.

4. `factor(expanded_expr)`: This line uses the `factor` function to factorize the expanded expression. The result is then printed out.