Question

factirise the algebraic expression
x4 + x2 +1​

Answer 1

Step-by-step explanation:

x⁴ + x² + 1

(x^4 +2x²+1) - x²

(x² + 1)² - x²

(x² + 1 - x)(x² + 1 + x)

(x² - x + 1)(x² + x + 1)

(x² + x + 1)(x² - x + 1)