Question

x2 - x - 2 = 0 ayudeme

Answer 1

${x^2-x-2=0\ \ \ \ \ trinomio\ de\ la\ forma:\ x^2+ax+b}\\\\{(x-2)(x+1)=0\ \ \ \ \ igualando\ a\ 0\ ambos\ productos:}\\\\{x-2=0\ \ \ \ \ \ \ \ \ x+1=0}\\\\{x_1=2\ \ \ \ \ \ \ \ \ \ \ \ \ x_2=-1}\\\\{\mathbf{salu2.!!\ :)}}\\\mathbf{Wellington}}$