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24-10-2017
Social Studies

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factor the expression 25x^2–4

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Аноним Аноним

24-10-2017

25x^2 - 4
(5x)^2 - 2^2
Use the following property:
(a+b)(a-b) = a^2 - b^2
You get:
(5x - 2) (5x + 2)
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