bradjameshaw
bradjameshaw
18-02-2015
Mathematics
contestada
factor 6a^2 - ab - 15b^2
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Аноним
Аноним
18-02-2015
[tex]6{ a }^{ 2 }-ab-15{ b }^{ 2 }\\ \\ =\left( 3a-5b \right) \left( 2a+3b \right) [/tex]
*Used the "trial and error" method and a bit of intuition to come up with an answer.
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