Question

solve it :a⁴-81 with steps​

Answer 1

Answer:

hope it helps mark as brainliest

Step-by-step explanation:

Answer 2

Answer:

a⁴ - 81

= (a²)² - (9)²

= (a² + 9)(a² - 9)

= (a² + 9){(a)² - (3)²}

= (a² + 9)(a + 3)(a - 3)