Find and explain the error in the student’s work/answer below.
Solve: 2c² + c – 6 = 0
2c² + 4c – 3c – 6 = 0
2c(c + 2) – 3(c + 2) = 0
(c+2)(2c – 3) = 0
The student states that the answers are c + 2 and 2c – 3.