3n 3 10n 2 5 July 8, 2019 16 32 64 128 6n 3 10n 2 3n 5 3n 3 10n 2 5 chia hết cho 3n 1 5n 3 10n 2 3n 6 5n 3 10n 2 3n 6 factor by grouping 5n 3 10n 2 3n 6 factored Factor completely 5n 3 10n 2 3n 6 3 -5n+2n