Question

Find the zeroes of
X^2+x-p(p+1)

Answer 1

x2+x-p(p+1)=0

x2+(p+1)x-px-p(p+1)=0

x(x+p+1) -p(x+p+1)=0

(x+p+1)(x-p)=0

x=-p-1, p