<span> НОД (2*3*5;48)=НОД (30;48)=6</span>
<span>328(б)</span> ![\frac{x^{2}-2x}{3x+6}=0](https://tex.z-dn.net/?f=%5Cfrac%7Bx%5E%7B2%7D-2x%7D%7B3x%2B6%7D%3D0)
![\frac{x(x+2)}{3(x+2)}=0](https://tex.z-dn.net/?f=%5Cfrac%7Bx%28x%2B2%29%7D%7B3%28x%2B2%29%7D%3D0)
![x^{2}-2x=0](https://tex.z-dn.net/?f=x%5E%7B2%7D-2x%3D0)
![x(x-2)=0](https://tex.z-dn.net/?f=x%28x-2%29%3D0)
![x=0](https://tex.z-dn.net/?f=x%3D0)
![x-2=0](https://tex.z-dn.net/?f=x-2%3D0)
![x=2](https://tex.z-dn.net/?f=x%3D2)
одз: ![x\neq-2](https://tex.z-dn.net/?f=x%5Cneq-2)
<span>374(г)</span>![\frac{x+1}{(x-3)(x-4)}-\frac{x}{x-4}=\frac{1}{x-3}](https://tex.z-dn.net/?f=%5Cfrac%7Bx%2B1%7D%7B%28x-3%29%28x-4%29%7D-%5Cfrac%7Bx%7D%7Bx-4%7D%3D%5Cfrac%7B1%7D%7Bx-3%7D)
![\frac{(x+1)-x(x-3)-1(x-4)}{(x-3)(x-4)}=0](https://tex.z-dn.net/?f=%5Cfrac%7B%28x%2B1%29-x%28x-3%29-1%28x-4%29%7D%7B%28x-3%29%28x-4%29%7D%3D0)
одз ![x\neq3](https://tex.z-dn.net/?f=x%5Cneq3)
![x\neq4](https://tex.z-dn.net/?f=x%5Cneq4)
следовательно 3 и-4 не могут быть корнями уравнения
<span>379(з) не могу понять что за уравнение</span>
<span>
x=2pi/3+2 piN,n э Z
x=4pi/3+2piN. nэZ</span>
На ноль делить нельзя, х=-6
4 (x – 2y) = 3x + 2y – 64x-8y=3x+2y-6
4x-3x=8y+2y-6
x=10y-6