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3p²-4p²+2p²-6p² - pg + pg
-5p²
Jawabannya -5p²
[tex] (6p^{2} +pq- 4q^{2} )-( 3p^{2} -pq+ 2q^{2} )
= 6p^{2} +pq- 4q^{2}- 3p^{2}+pq- 2q^{2}
= 3p^{2} +2pq -6q^{2}