Product of roots
Let x and y be the roots of given equation.
y+z=-b/a (sum of roots)
z×y= c/a(product of roots)
where "a" is coefficient of x^2 and "b" of x and "c" a constant.
In the given equation is a=1,b=h+4 c=-h^2
so product is given by
y×z= -h^2/1= product is -h^2
