7k^2 -6k+3=3 7k^2 -6k+3-3=3 -3 7k^2 -6k=0 k (7 k-6) = 0 Solve: k=0 Solve: (7 k-6) = 0 7k-6+6=0+6 7k=6 7k/7=6/7 k=6/7