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2.
а)![6-3x textless -2x^{2} 6-3x textless -2x^{2}](https://tex.z-dn.net/?f=6-3x+textless++-2x%5E%7B2%7D)
![6-3x+2 x^{2} textless 0 6-3x+2 x^{2} textless 0](https://tex.z-dn.net/?f=6-3x%2B2+x%5E%7B2%7D++textless++0)
![2 x^{2} -3x+6 textless 0 2 x^{2} -3x+6 textless 0](https://tex.z-dn.net/?f=2+x%5E%7B2%7D+-3x%2B6+textless++0)
Решить уравнение
![2 x^{2} -3x+6=0 2 x^{2} -3x+6=0](https://tex.z-dn.net/?f=2+x%5E%7B2%7D+-3x%2B6%3D0)
x∉R
![2 x^{2} -3x+6 textless 0, a=2 2 x^{2} -3x+6 textless 0, a=2](https://tex.z-dn.net/?f=2+x%5E%7B2%7D+-3x%2B6+textless++0%2C+a%3D2)
б)![-3 x^{2} -2x+5 leq 0 -3 x^{2} -2x+5 leq 0](https://tex.z-dn.net/?f=-3+x%5E%7B2%7D+-2x%2B5+leq+0)
![-3 x^{2} +3x-5x+5 leq 0 -3 x^{2} +3x-5x+5 leq 0](https://tex.z-dn.net/?f=-3+x%5E%7B2%7D+%2B3x-5x%2B5+leq+0)
![-3x(x-1)-5(x-1) leq 0 -3x(x-1)-5(x-1) leq 0](https://tex.z-dn.net/?f=-3x%28x-1%29-5%28x-1%29+leq+0)
![(-3x-5)(x-1) leq 0 (-3x-5)(x-1) leq 0](https://tex.z-dn.net/?f=%28-3x-5%29%28x-1%29+leq+0)
![left { {{-3x-5 leq 0} atop {x-1 geq 0}} right. left { {{-3x-5 leq 0} atop {x-1 geq 0}} right.](https://tex.z-dn.net/?f=+left+%7B+%7B%7B-3x-5+leq+0%7D+atop+%7Bx-1+geq+0%7D%7D+right.+)
![left { {{-3x-5 geq 0} atop {x-1 leq 0}} right. left { {{-3x-5 geq 0} atop {x-1 leq 0}} right.](https://tex.z-dn.net/?f=+left+%7B+%7B%7B-3x-5+geq+0%7D+atop+%7Bx-1+leq+0%7D%7D+right.+)
![left { {{x geq - frac{5}{3} } atop {x geq 1}} right. left { {{x geq - frac{5}{3} } atop {x geq 1}} right.](https://tex.z-dn.net/?f=+left+%7B+%7B%7Bx+geq+-+frac%7B5%7D%7B3%7D+%7D+atop+%7Bx+geq+1%7D%7D+right.+)
![left { {{x geq - frac{5}{3} } atop {x leq 1}} right. left { {{x geq - frac{5}{3} } atop {x leq 1}} right.](https://tex.z-dn.net/?f=+left+%7B+%7B%7Bx+geq+-+frac%7B5%7D%7B3%7D+%7D+atop+%7Bx+leq+1%7D%7D+right.+)
x∈[1,+∞)
x∈(-∞,
]
а)
Решить уравнение
x∉R
б)
x∈[1,+∞)
x∈(-∞,
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