Question

The sum of the roots of the equation x^2+ x= 2 is:
-1
1
0

Answer 1

-1.

Explanation:

x^2 + x - 2 = 0

The sum of roots of

ax^2 + bx + c = 0 is -b/a

So comparing the above with the given equation this sum is -1/1 = -1.