Решите уравнения :
А) 3x^2 - 12 = 0
Б) x^2 - 3x = 0
В) -7x^2 = 0
Г) 7x +3 = 2x^2 + 3x + 3
А) 3x^2 - 12 = 0
Б) x^2 - 3x = 0
В) -7x^2 = 0
Г) 7x +3 = 2x^2 + 3x + 3
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Answers & Comments
б) x*(x-3)=0 x=0 x=3
в) -7x^2=0 x=0
г) 2x^2-4x=0 2x(x-2)=0 x=0 x=2