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15-06-2015
Mathematics

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factor the trinomial 15a^2-22ab-5b^2

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Panoyin Panoyin

17-06-2015

15a² - 22ab - 5b²
15a² - 25ab + 3ab - 5b²
5a(3a) - 5a(5b) + b(3a) - b(5b)
5a(3a - 5b) + b(3a - 5b)
(5a + b)(3a - 5b)

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