Question

factorize (x+2)^3+(x-2)^3

Answer 1

answer will come 2x^3+24x

Answer 2

we know the identity

a³+b³=(a+b)(a²-ab+b²)

Using this

(x+2)^3+(x-2)^3

=(x+2 +x-2)[(x+2)² -(x+2)(x-2) +(x-2)²]

=2x[2x² +8 -(x²-4)]

=2x(x²+12)