If (5 - x)/(5 + x) = x, what is the value of x^2 + 6x - 5?  Choose the most appropriate option:	A) -6	B) -4	C) -2	D) 0	E) 3
(5-x) = x*(5+x)   (5-x) = 5x+x^2   0 = x^2+6x-5   The answer is 0.
<result>D</result>
If (5 - x)/(5 + x) = x, what is the value of x^2 + 6x - 5?