What is the completely factored form of of this polynomial 81x^4 - 16y^4

asked Oct 8, 2022 17.5k views

3 votes

by Fijal

3.6k points

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4 votes

Explanation:

81x⁴ - 16y⁴

(9x²)² - (4y²)²

(9x² + 4y²)(9x² - 4y²)

(9x² + 4y²)(3x + 2y)(3x - 2y)

Otis Wright answered Oct 14, 2022

3.3k points

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