Question

Разложить на множители: (x+2)³-(x-2)³

Answer 1

$(x + 2) {}^{3} - (x - 2) {}^{3} = x {}^{3} + 6x {}^{2} + 12x + 8 - (x {}^{3} - 6x {}^{2} + 12x - 8) \ x {}^{3} + 6x {}^{2} + 12x + 8 - x {}^{3} + 6x {}^{2} - 12x + 8 = 12x {}^{2} + 16$