Question

Find the roots of the x2-3x-1=0 by quadratic formula

Answer 1

Here is ur answer.......

-

-

-

Hope it helps!

Answer 2

Answer:

Step-by-step explanation

Ans:

    a=2          b=-3             c=-1

            = -b±√b²- 4ac÷2a

            = -(2)±√(-3)²- 4(2)(-1)÷2(2)      

            = -2±√9-8+4÷4

            = -2±√9-12÷4

            = -2±√-3÷4