Question

Factorise
x⁴ + x² + 1​

Answer 1

Step-by-step explanation:

$x {}^{4} + x {}^{2} + 1 \\ \\ x {}^{2} (x {}^{2} + 1) + 1$

I hope it helps you

Answer 2

$\huge\bold\red{Question}$

Factorise

$\tt{x^4 + x^2 + 1}$

$\huge\bold\green{Solution}$

$\bold{x^4 + x^2 + 1}$

$\bold{= (x^2)^2 + 2 (x^2) (1) + 1^2− x^2}$

$\bold{= (x^2 + 1)^2 − x^2}$

$\bold{= (x^2 + 1 − x)(x^2 + 1 + x)}$