If x is a number such that x^2 + 5x - 6 = 0 and x^2 - 5x + 4 = 0, then x = Choose the correct choice from the following answers:
A) -1
B) 1
C) 4
D) -6
E) 6
x^2 + 5x - 6 = (x+6)(x-1) = 0   Then x=-6 or x=1.   x^2 - 5x + 4 = (x-4)(x-1) = 0   Then x=4 or x=1.   Thus x=1.   The answer is 1.
<result>B</result>
If x is a number such that x^2 + 5x - 6 = 0 and x^2 - 5x + 4 = 0, then x =