Question

Formula:
$( {a}^{2} - {b}^{2} ) = (a - b)(a + b)$
Factorise:
${x}^{8} - 1$
(Solve it step by step)



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Answer 1

Answer:

$x^{8}$-1

$(x^{4)^{2} }$-1^2

=(x^4-1)(x^4+1)

=((x^2)^2-1^2)(x^4+1)

=(x^2-1^2)(x^2+1)(x^4+1)

=(x+1)(x-1)(x^2+1)(x^4+1)

Answer 2

Answer:

I hope to you need this answer