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p = x+3 --> maka x = p-3
sub ke - 3x^2 + 5x - 2 = 0
-3(p-3)^2 + 5(p-3) - 2 = 0
-3(p^2 - 6p + 9) + 5p - 15 - 2 = 0
-3p^2 + 18p - 27 + 5p - 17= 0
-3p^2 + 23p - 44 = 0
atau
-3x^2 + 23x - 44 = 0