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3p²+9p-2p-6
3p(p+3)-2(p+3)
(3p-2)(p+3)
p x q = -18
p + q = 7
maka , p = -2 , q = 9
3p² + 7p - 6 = 3p² -2p + 9p - 6
(3p² - 2p) + (9p - 6)
p(3p - 2) + 3(3p - 2)
(3p - 2) (3p - 2)