Question

f(x)=x2+x-6 os zeros

Answer 1

a= 1 b=1 c= -6
∆= 1² -4. 1. (-6)
∆= 1 +24
∆= 25

x= -1 ± √25
/2.1

-1 ± 5 x1= -1+5/2= 4/2= 2
/2 x2= -1-5/2= -6/2= -3