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P-3q+2
_______+
2p(p pangkAt 2)-p+2
= 6p-3q-2
kalau soalnya spt ini, jumlah 2p+3q-4 dan p-3q+2, maka:
(2p+3q-4)+(p-3q+2) = 2p+p+3q-3q-4+2
= 3p-2