Question

Help me please!!!!

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Answer 1

x = ± 2

Explanation:

To find the zeros set the polynomial equal to zero, that is

x² - 4 = 0 ( add 4 to both sides )

x² = 4 ( take the square root of both sides )

x = ±
`√(4)` = ± 2

Thus x = - 2 or x = 2