Помогите с графиком

$x^2+6x+8=0; \\ \left \{ {{x_{1}+x_{2}=-6} \atop {x_{1}*x_{2}=8}} \right. \\ \left \{ {{x_{1}=-4} \atop {x_{2}=-2}} \right. \\ a(x-x_{1})(x-x_{2})=(x+2)(x+4); \\ y= \frac{(x+2)(x+4)}{x+2} - \frac{x(2-x)}{x}=x+4-2+x=2x+2;$ $y= \frac{x^2+6x+8}{x+2} - \frac{2x-x^2}{x};$

y=2x+2;

x 0 1

y 2 4

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o 2

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