Question

1.
The solution set of x^2 -x-2=0 is​

Answer 1

Answer:

x²-x-2=0

(x+1)(x-2)=0

x= - 1 (or) x=2

Answer 2

Answer:

x= 2,-1

Explanation:

x^2 - x - 2=0

a=1 , b= -1 , c= -2

D = Root ( 1 -(4*-2))

   = Root ( 9)

   = 3

solution

x = (1+3)/2 = 2  

or  

( 1-3)/2 = -1