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3x² - 7x - 6= (3x + 2)(x - 3)
Jadi, Hp adalah :
3x= -2
x= -2/3
atau
x= 3
Catatan :
Hp= himpunan penyelesaian
(3x + 2)(x - 3) = 0
3x + 2 = 0
3x = -2
x = -2/3
x - 3 = 0
x = 3
jadi x = -2/3 atau 3
catatan
^ artinya pangkat