answer:
x^2 - 2 x + 4
explanation: you want to factor the expression using a^3 + b^3= (a+b) (a^2 - ab+b^2)
then
(x,2) x (x^2 - 2x+4)
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x+2
then reduce so,
(x+2) x (x^2- 2x +4)
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x+2
then cross out repeating which is x+2
then you get your answer!
