Question 1030908
-2x^2-5x-5=0
2x^2+5x+5=0, make the square term positive, it is a lot easier.
x=(1/4)(-5+/- sqrt (25-40)
=(1/4)(-5+/-sqrt(-15)
=(1/4)(-5+/-i sqrt (15)
{{{graph(300,200,-10,10,-10,10,-2x^2-5x-5)}}}  No real roots.