Question

Calcule:
(x+1). (x-2). (x-3)

Answer 1

$(x {}^{2} - 2x + x - 2) \times (x - 3) \\ (x {}^{2} - x - 2) \times (x - 3) \\ x {}^{ 3} - 3x {}^{2} - x {}^{2} + 3x - 2x + 6 \\ x {}^{3} - 4x {}^{2} + x + 6$