How do you factor $(x^3)(x^6)+(8z^3)$ ?

Question

1241 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2015-05-06T23:32:21

Note the general form for the factoring of a sum of cubes:
$a^3+b^3 = (a+b)(a^2-ab+b^2)$

$(x^3)(x^6) + (8z^3)$

$=(x^3)^3+(2z)^3$

$=(x^3+2z)(x^6- 2x^3z + 4z^2)$

How do you factor (x^3)(x^6)+(8z^3)(x^3)(x^6)+(8z^3)?