By viewing the polynomials as a difference of two squares, factorise the following polynomial: $$x^4+x^2+1.$$ I searched but couldn't find a way to solve this
Edit: By using Hans Lundmark hint, I get:
$$(x^2+1)^2-x^2$$
Is it fully factorized?
2026-03-25 20:41:57.1774471317
By viewing the polynomials as a difference of two squares, factorise the following polynomials.
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Here's a hint: $(x^4+2x^2+1)- x^2$.