ПОМОГИТЕ РЕШИТЬ УРАВНЕНИЯ ЧЕРЕЗ ДИСКРИМИНАНТ x^2+7x-44=0
9y^2+6y+1=0
-2t^2+8t+2=0
-3t^2-12t+6=0
a+3a^2=-11
x^2-10x-39=0
4y^2-4y+1=0
14a^2+5=0
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