Question

X la 2 + x = 0. Va rog

Answer 1

x²+x=0
x(x+1)=0
x=0
x=-1

Answer 2

x^2 + x = 0 => x(x+1) = 0 => $\left \{{{x_{1} =0} \atop { x_{2} =-1}} \right.$