11-06-2018
Mathematics

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What is the completely factored form of 25x^4-16y^2

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altavistard altavistard

11-06-2018

25x^4-16y^2 is the difference of 2 squares: (5x^2)^2 - (4y)^2

Recall that a^2 - b^2 = (a-b)(a+b).

Here, (5x^2 - 2y)(5x^2 + 2y) (answer)

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jaleng0202 jaleng0202

12-06-2018

The answer is (5x^2+4y)(5x^2-4y)

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