"Intellectual worker" is a term used in various anarchist, communist, and socialistwritings. Chomsky describes such a working class individual as, "[One] whose work happens to be more with the mind than with the hands." He then notes, "[Those] whose major professional concern is knowledge...[should] have no special opportunit[ies]...to gain any...power [or] prestige..." (CR[?] - 21)
... left of "=", that will make it a perfect square trinomial of the form x2 + 2xy + y2. Since "2xy" in this case is (b/a)x, we must have y = b/(2a), so we add the square of ...