Solution:
The given quadratic equation is x2 − 3x − m (m + 3) = 0.
x2 − [(m + 3) - m]x − m (m + 3) = 0
x2 − (m + 3)x + mx − m (m + 3) = 0
x{x - (m + 3)} + m{x - (m + 3)} = 0
(x + m)(x - (m + 3)) = 0
x = -m or m + 3
Thus, the roots of the given quadratic equations are −m and m + 3.
