Respuesta :

14) The cube root of 64 = 4, and the cube root of 27 = 3.
(4x)³ + (3)³
a = 4x, b = 3

(4x+3)(4x²-12x+9)

15) The cube root of 8 = 2, and the cube root of 125 = 5
So (2x)³ - (5)³

a = 2x, b = 5

(2x-5)(2x²+10x+25)