bi√√24ac
Use the quadratic formula, x =
2a
What are the solutions to the equation?
Or = 1 and r
11√6
=
2
Or = 20 and x =
Ox= 2 and x =
2
1√6
2
21√6
2
11√6
and r
2
to solve the quadratic equation 2x2+4x-1=0.