Question

[nhím]

b,(1+x+x^2)(1-x)(1+x)(1-x+x^2)

c,(a+1)(a+2)(a^2+4)(a-1)(a^2+1)(a-2)

d,(-3a^3+a^6+9)(a^3+3)

e,(a^2-1)(a^2-a+1)(a^2+a+1)

Answer 1

[Nguyễn Lê Phước Thịnh]

e: \(\left(a^2-1\right)\left(a^2+a+1\right)\left(a^2-a+1\right)\)

\(=\left(a^3-1\right)\left(a^3+1\right)\)

\(=a^6-1\)

Answer 2

[nhím]

lm hết giúp mk vs