Question

P²-P-122

Answer 1

Do you want the zeroes of p²-p-122?

If so:

p²-p=122,

p²-p+¼=122+¼=489/4,

(p-½)²=489/4,

p-½=±√489/2, p=½±½√489=11.5567 or -10.5567 approx.

If you meant to factorise p²-p-132, then it factorises: (p-12)(p+11), so the zeroes are 12 and -11.