What is the value of α (α ≠ 0) for which x2 – 5x + α and x2 – 7x + 2α have a common factor?

What is the value of α (α ≠ 0) for which x2 – 5x + α and x2 –

1.	What is the value of α (α ≠ 0) for which x2 – 5x + α and x2 – 7x + 2α have a common factor?
A.	6
B.	4
C.	3
D.	2
Answer» B. 4