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Verified answer
JawabPersmaan kuadrat
x1= -1/4
x2 = 2/3
x² - (x1 + x2) x + (x1.x2) =0
x² - (- 1/4 + 2/3) x + (-1/4 . 2/3) = 0...kalikan 12
12x² -12(- 1/4 + 2/3) x + 12(-1/4 . 2/3)= 0
12 x² + (3 - 8)x + (-3.8) = 0
12x²- 5x - 24= 0