Question

Question Roots of the equation x2 - x - 2 = 0 are​

Answer 1

Answer:

2 and -1

Step-by-step explanation:

x2 - 2x + x - 2 = 0

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

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

x-2=0

x=2

x+1=0

x=-1

Answer 2

x2-x-2=0

x2-2x+x-2=0

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

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

x+1=0

x=-1

x-2=0

x=2