Oblicz deltę i miejsca zerwe
x^2 - (3x-1)^2= 56x-43
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delta = 50^2 - 4 * (-8) * 42 = 2500 + 1344 = 3844
pierwiastek z delty = 62
x1 = -b - pierwiastek z delty ii podzielić przez 2a <---> 50 - 62 / 2 = -6
x2 = -b + pierwiastek z delty ii podzielić przez 2a <---> 50 +62 / 2 = 56
x1 = -6, x2 = 56