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07-03-2018
Mathematics

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Factor 15a^3+ 20a^2- 6a- 8 by grouping

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07-03-2018

[tex]15a^3+ 20a^2- 6a- 8[/tex]
= [tex]5a^2(3a+ 4) - 2(3a + 4)[/tex]
= [tex](3a+ 4) (5a^2- 2)[/tex]

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