Question

Simplify (2x+1)^3+(2x-1)^3

Answer 1

$8 {x}^{3} + {1}^{3} + 3x \times 1(x + 1) + 8 {x}^{3} - {1}^{3} - 3x \times 1 \times (x - 1)$
now solve it