Question

please tell me answer ​

Answer 1

Answer:

x⁶+2x²+1

Step-by-step explanation:

(x²-1) (x⁴+x²+1)

x²(x⁴+x²+1) -1(x⁴+x²+1)

x⁶+x⁴+x²-x⁴+x²+1

x⁶+2x²+1

Answer 2

Answer:

${x}^{8} - 1$

Step-by-step explanation:

(x^2 +1) (x^4+x^2+1)=

$x {}^{8 } + x {}^{4} + x {}^{2} - x {}^{4} - {x}^{2} - 1$

$x {}^{8} - 1$