Question

x2=-6x-9
(es elevado al cuadrado)

Answer 1

RESOLUCIÓN :


$x^{2} =-6x-9 x^{2} +6x +9 =0 -----\ \textgreater \ Resolver Mediante factorizacion: \left(x+3\right)\left(x+3\right)=0 Igualamos a 0 x+3 = 0 x=-3$