Jawabanmu

2014-09-10T18:34:11+07:00
Jawaban paling cerdas!
2014-09-10T18:37:39+07:00
5x² . (6x - 3y)
= 5x² × 6x × 5x² × (-3y)
= 30x³ -15x²y)

semoga aja bener ^_^

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