Rozwiąż równanie : -y - 3x - 6 = 0
-y - 3x - 6 = 0delta = -b2 - 4ac = 32 - 4 * (-1) * (-6) = 9 - 24 = -15pierwiastek z - 15 = - (pod pierwiastkiem) 3 * 5x1 = -b - pierwiastek z delty/2 = 3 + 3 pierwiastek z 5/2 x2 = -b + pierwiastek z delty/2 = 3 - 3 pierwiastek z 5/2
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-y - 3x - 6 = 0
delta = -b2 - 4ac = 32 - 4 * (-1) * (-6) = 9 - 24 = -15
pierwiastek z - 15 = - (pod pierwiastkiem) 3 * 5
x1 = -b - pierwiastek z delty/2 = 3 + 3 pierwiastek z 5/2
x2 = -b + pierwiastek z delty/2 = 3 - 3 pierwiastek z 5/2