Question

Rezolvati in multimea numerelor reale ecuatia radical din x+3=x radical din 2

Answer 1

x+3=x√2⇒x-x√2=-3⇔x(1-√2)=-3⇔x=-3/(1-√2)⇔x=[-3(1+√2)]/(-1)
x=3(1+√2)