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Answer:
6 and 2.
Step-by-step explanation:
Let the quadratic polynomial be f (x) = ax ^ 2 + bx + c and its zeroes be a and b.
Then, a + b = 8 = -b / a and ab = 12 = c / a.
If a = 1, then b = -8 and c = 12.
Hence, the quadratic polynomial is x ^ 2 - 8x + 12.
Splitting the middle term, we get:
x ^ 2 - 8x + 12 = (x - 6) (x - 2).
The zeroes of f (x) are given by f (x) = 0.
(x - 6) (x - 2) = 0
=) (x - 6) = 0 or (x - 2) = 0
=) x = 6 or x = 2.
Hence, the zeroes of f (x) are a = 6 and b = 2.
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