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(3x - 1 - 2x + 5)(3x - 1 + 2x - 5)=0
(x + 4)(5x - 6) = 0
x + 4 = 0
x = -4
5x - 6 = 0
5x = 6
x = 6/5
Jadi x = -4 atau 6/5