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The zeroes of the quadratic polynomial $x 2 − 2 x − 8$ are:

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-4, 2

4, -2

8, -2

2, -6

answer is B.

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Detailed Solution

Given a polynomial

x 2 − 2 x − 8

.
Using the middle term splitting method,

x 2 − 2 x − 8

x 2 − 4 x − 2 x − 8 = 0

x 2 − 4 x + 2 x − 8 = 0

x x − 4 + 2 x − 4 = 0

x − 4 x + 2 = 0

x = 4, − 2

are 2 zeros of the given polynomial.
Hence, option 2 is correct.

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