But as he looked at the screen, Artyom realized something. The GDZ didn't just give the answer; it showed why the square root of the discriminant had to be positive. He saw a mistake in his own previous attempt—a simple minus sign he’d ignored like an unwanted vegetable on a dinner plate.
He pulled out his phone and typed the magic words:
Within seconds, a digital oracle appeared. He clicked the first link, scrolled through the grid of numbers, and tapped "542." There it was—the step-by-step breakdown, written in clear, handwritten-style font.