jadesthename101 jadesthename101

20-05-2016
Mathematics

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simplify using the vertical method. (2k+3)(2k^2-4k-3)

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yakyzoe yakyzoe

21-05-2016

4k^3 - 8k^2 + 6k^2 - 12k - 6k - 9
Combine like terms... -8k^2+6k^2= -4k^2
-12k+6k=-6k
and leave 4k^3 and -9 alone because you don't have anything to combine it with so the equation is 4k^3 -4k^2 -6k -9

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