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25-05-2022
Mathematics

contestada

Which polynomial expression is equal to (a + 3)(a − 3)(a² + 9)?

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Аноним Аноним

25-05-2022

Answer:

a⁴ - 81

Step-by-step explanation:

Identity applied :

(a + b)(a - b) = a² - b²

Simplifying :

(a + 3)(a − 3)(a² + 9)
(a² - 9)(a² + 9)
a⁴ - 81

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