Arden Lemma Interactive
Solve equations of the form R = A.R + B or R = R.A + B.
Arden (right-recursive): R = A.R + B => R = A*B
Arden (left-recursive): R = R.A + B => R = B.A*
Arden (left-recursive): R = R.A + B => R = B.A*
Enter A and B, then solve.