(x^2+2x+1/x^2-8x+16)/(x+1/x^2-16)

Question

a- (x-1)(x+4)/(x+1)
b- (x-1)(x+4)/(x-4)
c- (x-1)(x+4)/(x-1)
d- (x-1)(x+4)/(x+4)

Answer 1

a- (x-1)(x+4)/(x+1)