-5 and-2 write a quad equation.

-√5,6√5 write quad equation

Tick, tick..I'm doomed..

Are these the roots of your equation ?

if those, then

for the 1st ...
(x+5)(x+2) = 0
expand ...
x^2 + 7x + 10 = 0

for the second
(x+√5)(x-6√5) = 0
x^2 - 5√5x - 30 = 0