Question

(x+2)³-(x-2)³analyze the product​

Answer 1

Using: (a+b)³=a³+b³+3ab(a+b)

(a-b)³=a³-b³-3ab(a-b)

[x³+2³+3*2x(x+2) ] - [x³-2³-3*2x(x-2)

[x³+8+6x(x+2)] - [x³-8-6x(x-2)]

[x³+8+6x²+12x] - [x³-8-6x²+12x]

x³+8+6x²+12x-x³+8+6x²-12x

16+12x²

12x²+16

4(3x²+4)