In 1929 she was nominated for the Academy Award for Best Actress for A Ship Comes In.
Dresser's last movie was in 1937, when she made Maid of Salem[?].
... (i.e., in this case, a quantity that does not depend on x) to the expression to the left of "=", that will make it a perfect square trinomial of the form x2 + 2xy + y2. ...