If $$ left( x^2+{1 over x^2} right)- left( x - {1 over 4} right)- 7 =0 $$ then two value of x are :

If $$ left( x^2+{1 over x^2} right)- left( x - {1 over 4} right)-

1.	If $$ left( x^2+{1 over x^2} right)- left( x - {1 over 4} right)- 7 =0 $$ then two value of x are :
A.	1, 2
B.	$$ 2, -{1 over 2} $$
C.	0, 1
D.	$$ {1 over 2} , 1 $$
Answer» C. 0, 1