Question

(x + 2) ^3= 2x (x^2 - 1)​

Answer 1

Answer:

3x³ - 2x - 8

Step-by-step explanation:

(X+2)³ = 2x(x²-1)

x³ + 8 = (4x³ - 2x)

x³ + 8 = 4x³ - 2x

8 = 4x³-x³ - 2x

8 = 3x³ - 2x

3x³ - 2x - 8