Question

(a-b)(a+b)(a-3b)

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

Answer 1

в первом
$(a {}^{2} - b {}^{2} )(a - 3b) \ a {}^{3} - 3a {}^{2} b - ab {}^{2} + 3b {}^{2}$
во втором
$(2x {}^{2} + 5x - 3)(3x + 2) \ 6x {}^{3} + 4x {}^{2} + 15x {}^{2} + 10x - 9x - 6 \ 6x {}^{3} + 19x {}^{2} + x - 6$