Ssmith31 Ssmith31

23-01-2017
Mathematics

contestada

Factor this expression completely 9a 4 - b 2

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Аноним Аноним

23-01-2017

(3a2 + b) • (3a2 - b) would be ur answer x

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gracen30033 gracen30033

23-01-2017

9a^4 - b^2
(3a^2)^2 - (b)^2
Difference of squares
(3a^2 - b)(3a^2 + b)

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