Question

(x+1)^3-x^2(x+3)+2=0 решите уравнение

Answer 1

( Х + 1 )^3 - х^2( Х + 3 ) + 2 = 0
Х^3 + 3х^2 + 3х + 1 - х^3 - 3х^2 + 2 = 0
3х + 3 = 0
3х = - 3
Х = - 1