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)
Answer Link
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