Question

(x^2+x+1) × (x^2-x+1)​

Answer 1

Step-by-step explanation:

x²(x²-x+1)+x(x²-x+1)+1(x²-x+1)=0

x*4-x³+x²+x³-x²+x+x²-x+1=0

x*4+x²+1=0

x²+x+1=0