Answer:
(2x - 1)(4x² + 2x + 1)
Step-by-step explanation:
use difference of cubes formula: x³ - y³ = (x - y)(x² + xy +y²)
8x³ - 1 = (2x)³ - 1³ ⇒ x = 2x and y = 1
(x - y)(x² + xy +y²)
= (2x - 1)((2x)² + 2(1)x + 1²)
= (2x - 1)(4x² + 2x + 1)
