Simplify the rational expression. State any restrictions on the variable.
n^4-11n^2+30/n^4-7n^2+10
A. n squared minus six over n squared minus two semi colon n does not equal 5 comma n does not equal twoImage with alt text: n squared minus six over n squared minus two semi colon n does not equal 5 comma n does not equal two
B.negative open parentheses n squared minus six closed parentheses over n squared minus two where n does not equal plus or minus square root of five or two
C.n squared minus six over n squared minus two where n does not equal plus or minus square root of five or two
D. n squared minus six over n squared minus two semi colon n does not equal 5 comma n does not equal negative two