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3x kuadrat - 11x =4
3x kuadrat - 11x -4=0
x(3x-11)=4
3x²-11x = 4
x²-11x/3= 4/3
x²-11x/3+(11/6)²= 4/3 + (11/6)²
(x-11/6) ² = 4/3 + 121/36
(x-11/6)² = 48+121/36
(x-11/6)² = 169/36
x-11/6 = √169/36
x-11/6 = 13/6
x-11/6= -13/6 x-11/6= 13/6
x = -13/6+11/6 x = 13/6+11/6
x = -2/6 x = 24/6
x = -1/3 x = 4