Question

formula general de x2+x-66=0

Answer 1

Respuesta:

x= -1±√1²-4(1)(-66)/2(1)

x=-1±√1+264/2

x=-1±√265/2= 16.27

x=-1+16.27/2= 15.27/2= 7.63

x= -1-16.27/2= 17.27/2= 8.63