Given: 3x² − 5x + 1 = 0. Kyle is solving the given equation by completing the square. For the first step, he subtracts 1 from both sides of the equation. Which step should he do next?
A) Divide only 3x² by 3.
B) Divide only −5 by 3.
C) Square both sides of the equation.
D) Divide each term in the equation by 3.