Answer:
- 55
Explanation:
Given a quadratic equation in standard form : ax² + bx + c = 0 : a ≠ 0
The sum of the roots = -
and
The product of the roots =

x² + 6x - 55 = 0 ← is in standard form
with a = 1, b = 6 and c = - 55, hence
product of the roots =
= - 55