1)8x^2+х-75=0
Решите уравнение 
2)3х^2-11х-14=0
3)х^2-х-56=0
4)x^2-x-1=0
5)x^2+4x+1=0
6)4x^2-9x-2=0
7)(3x-5)^2-(2x+1)^2=24
8)(3x+10)^2=3(x+10)

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