Answer:
No real roots. Imaginary roots would be x = plus or minus i .
Explanation:
Eliminate y for now by equating y=x^2-2x and y=-2x-1. Then:
x^2 - 2x = -2x - 1
Add 2x to both sides. Then x^2 = -1.
This is NO SOLUTION, since the square root of -1 would be imaginary.