Answer:
x=-0.38 or -2.62
Step-by-step explanation:
x²+3x-1=0
using the general formula...
-b±√b²-4ac/2a
a=1
b=3
c=1
-3±√3²-4(1×1)/2×1
-3±√9-4/2
-3±√5/2
-3+√5/2 or -3-√5/2
-0.38 or -2.62
