Х6+х4-х2-1 _________ х3+х2+х+1

Question

Х6+х4-х2-1
_________
х3+х2+х+1

Answer 1

=(x4(x2+1)-(x2+1))/((x2(x+1)+(x+1))=(x2+1)(x4-1)/ (x+1)(x2+1)= (x4-1)/(x+1)