Question

(x+1)^3-x^2(x+3)+2=0

Answer 1

X^3+3x^2+3x+1-x^3-3x^2+2=0

3x+3=0

3x=-3

X=-1

Answer 2

(X+1)^3-x^2(x+3)+2=0;
X^3+3x+1-x^3+3x^3+2=0;
3x+3=0;
3x=0-3;
3x=-3;
X=-3:3;
X=-1
Ответ:-1