Answer:
8x³ + 125
Step-by-step explanation:
Cubes: look for the exponent 3 and for perfect cubes such as 1, 8, 27, ...
8x^3 + 125 is a sum, and 8 is a perfect cube (the cube of 2), and x^3 is a cube, and 125 is a cube.
Thus, the correct answer is 8x^3 + 125 (which is equivalent to
(2x)³ + 5³).
