Question

Simplify: (x2+x+1)(x2-x+1​

Answer 1

Answer:

x⁴+x²+1

Step-by-step explanation:

((x²+1)+x)((x²+1)-x)

it is in the form of (a+b)(a-b)=a²-b²

Therefore, it becomes (x²+1)²-x².

now expand it we get

x⁴+1+2x²-x² = x⁴+x²+1