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Question
Find the zeroes of the polynomial x2 + 4x – 12.
Solution
x2 + 4x – 12
= x2 + 6x – 2x – 12
= x(x + 6) – 2(x + 6)
= (x + 6) (x – 2)
∴ Zeroes of the polynomial – 6 and 2.
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