November 2021 0 5 Report
Пожалуйста решите квадратное уравнение: 1)3х^2+6x=8x^2-15x
2)10x+7x^2=2x^2+8x
3)x(x-15)-3(108-5x)=0
4)17x^2-5x=14x^2+7x
5)(x+5)(x-1)+(x+3)(x-7)=102
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