Question

The solution of quadratic equation x2 - x - 2 = 0 are​

Answer 1

Answer:

Step-by-step explanation:

x^2 - x - 2 =0

x^2 -2x+x -2 =0

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

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

x+1=0 or. x-2=0

x =-1 or. x=2

Hope you find it helpful!!!!

Do mark it as brainliest!!!!!

Answer 2

Step-by-step explanation:

The roots of the quadratic equation Ax

2

+Bx+C=0 are

x=

2A

−B±

B

2

−4AC

The given equation is x

2

−x+2=0

for the given equation, B

2

−4AC=(−1)

2

−4(1)(2)=−7

So the roots are

x=

2

−(−1)±

−7

x=

2

1±

7

i