Seudónimo Seudónimo

13-01-2016
Mathematics

contestada

Factorise 9a^2 - 6ab + 12ac - 8bc

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Damagician Damagician

13-01-2016

9a^2-6ab+12ac-8bc
=3a(3a-2b)+4c(3a-2b)
=(3a+4c)(3a-2b)
There you go. Have fun!

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