check whether -3 and 3 are the zeros of the polynomial x² - 81
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Answer:
it's super easy
Step-by-step explanation:
p(x) = x²-81
p(-3) = (-3)²- 81
= 9-81
= - 72
p(3) = (3)² - 81
= 9 - 81
= - 72
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