(x^2+3x+2)*?=x^3+4x^2+5x+2 найдите многочлен
X^3 + 4x^2 + 5x + 2 = (x^2 + 3x + 2)*(x + 1) Док-во x^2 (x + 1) + 3x(x + 1) + 2(x+ 1) = = x^3 + x^2 + 3x^2 + 3x + 2x + 2 = = x^3 + 4x^2 + 5x + 2