Question

Factorise
$x {}^3 - 1{}$
​

Answer 1

x³-1

(x)³-(1)³

(x-1)(x²+1²+x×1)

(x-1)(x²+x+1)

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Answer 2

Answer:

x^3 - 1

by the use of identity

(a)^3 - (b)^3= (a-b)(a^2 + b^2 + ab)

(x)^3 - (1)^3

(x-1) ( x^2 + 1^2 + x*1)

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

hope its help