Mathematics, 31.07.2019 17:00 lexigarwood

Which is equivalent to (9y2 – 4x)(9y2 + 4x), and what type of special product is it? 81y4 – 16x2, a perfect square trinomial 81y4 – 16x2, the difference of squares 81y4 – 72xy2 – 16x2, a perfect square trinomial 81y4 – 72xy2 – 16x2, the difference of squares

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Which is equivalent to (9y2 – 4x)(9y2 + 4x), and what type of special product is it? 81y4 – 16x2,...

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