Question

ultiple Choice Type
1. The solution of quadratic equation x2 - x -
2 = 0 are :
(a) 1, -2
(b)-1, -2
(c)- 1,2
(d) 1,2.
2​

Answer 1

Answer:

c

Step-by-step explanation:

x²-x-2=0

x²-2x+x-2=0

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

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

x= -1 or x=2