Question

Which of the following polynomial has -3 as a zero?
(x-3)
(x²−9)
(x²−3x)

Answer 1

Answer:

(x²-9)

Step-by-step explanation:

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Answer 2

Answer:

x² - 9

Step-by-step explanation:

x²- 9 = 0

x² = 9

x = square root of 9 = +3 or -3