AM-1082

Sum and difference of cubes

A Math · Secondary 4 · Medium · Sum and difference of cubes

1. $(x+1)(x-1)(x^2-x+1)(x^2+x+1)$
2. $(x+1)(x-1)(x^2+1)(x^2+x+1)$
3. $(x^3+1)^2$
4. $(x^2+1)(x^4-x^2+1)$

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