Which of the following is a common factor of both equations x² – 4x – 5 and x² – 6x – 7 ?

• (x+1) is the common factor for both the quadratic equations:-
  x² – 4x – 5 = (x-5)(x+1) & x² – 6x – 7 = (x-7)(x+1)
• 5 years agoHelpfull: Yes(0) No(0)