On December 3, 1984, a Union Carbide[?] plant in Bhopal leaked 40 tons of toxic methyl isocyanate gas, which killed around 2000 people. See Bhopal Tragedy.
... 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. Since "2xy" in this case is ...