Question

X^ - x - 4 fìnd roots

Answer 1

a=1. b=-1 c=-4

x=-b+-√b2-4ac/2a

x=-(-1)+-√(-1)2-4(1)(-4)/2(1)

x= 1 +-√1+16/2

x=(1+√17)/2 , x= (1-√17)2