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3x² - 2x² + 4x -3x -4 + 2 = 0
x² + x - 2 = 0
(x + 2) (x - 1)
x1 = -2 atau x2 = 1
syarat
diuji pada pangkat
3(1)² + 4(1) - 4 = 3
3(-2)² + 4(-2) -4 = 0 =/ tdk memnuhi
diuji
2(1)² + 3(1) - 2 = 3
2(-2)² + 3(-2) - 2 = 0 tdk memenihi
jadi HP adalah {3}
jdkan jwbn terbaik yaaaaaaaaaaaaaaaaaaaaaaaaaa