решите уравнения/:
9х2+8-18х=0
4x-3-3x2=0
9х^2+8-18х=0
D=64+4*9*18=712
x1=(-8+sqrt712)/18=(-4+sqrt178)/9
x2=(-8-sqrt712)/18=(-4-sqrt178)/9
4x-3-3x^2=0
3x^2-4x+3=0
D=16-4*3*3=16-36=-20<0 нет корней
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9х^2+8-18х=0
D=64+4*9*18=712
x1=(-8+sqrt712)/18=(-4+sqrt178)/9
x2=(-8-sqrt712)/18=(-4-sqrt178)/9
4x-3-3x^2=0
3x^2-4x+3=0
D=16-4*3*3=16-36=-20<0 нет корней