Question

Factorise the question:
X^4 + 5x^2 + 9

Answer 1

Sorry, but in this question "X^4 + 5x^2 + 9" I think there should be '6x^2' instead of 5x^2 or there should me 6 instead of 9.

if you could verify then I could answer

Answer 2

please see the attachment