Question

Multimea solutiilor ecuatiei (x+1)²=25.

Answer 1

(x+1)²=25⇔(x+1)²=5²⇒x+1=5⇒x=4
                    (x+1)²=(-5)²⇒x+1=-5⇒x=-6
multimea solutiilor ecuatiei este:{-6;4}