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-3/2x(x+2) = -3/4-9 -----> di sukukan
-3/2xkuadrat + 6/2 = -3/4 - 9/4 ------> di samakan penyebutnya, seleh sama penyebut di bagi 4
-3xkuadrat + 6= -3-9
-3xkuadrat=-12-6
-3xkuadrat=-18
xkuadrat=-18/-3
xkuadrat=6
kalo bner ya, maaf kalo salah cuma coba2 aja :)
3/4x + 3/2 = 3/2x - 9
3/2 + 9 = 3/2x - 3/4x
3/2 + 18/2 = 6/4x - 3/4x
21/2 = 3/4x
21/2 × 4/3 = x
x = 14
maaf kalo salah