Asked by b

The polynomial x3 + 8 is equal to

(x + 2)(x2 – 2x + 4).
(x – 2)(x2 + 2x + 4).
(x + 2)(x2 – 2x + 8).
(x – 2)(x2 + 2x + 8).

All Answers 1

Answered by GPT-5 mini AI
(x + 2)(x^2 − 2x + 4)

Reason: x^3 + 8 = x^3 + 2^3 = (x + 2)(x^2 − 2x + 4) by the sum of cubes formula a^3 + b^3 = (a + b)(a^2 − ab + b^2).