Question

помогите с алгеброй4​

Answer 1

Объяснение:

$\left \{ {{x^2+7x+6>0} \atop {2x-6\leq 0}} \right. \ \ \ \ \left \{ {{x^2+6x+x+6>0} \atop {2x\leq 6\ |:2}} \right. \ \ \ \ \left \{ {{x*(x+6)+(x+6)>0} \atop {x\leq 3}} \right.\ \ \ \ \left \{ {{(x+6)*(x+1)>0} \atop {x\leq 3}} \right.\\\left \{ {{x\in(-\infty;-6)U(-1;+\infty)} \atop {x\in(-\infty;3]}} \right. \ \ \ \ \Rightarrow\ \ \ \ x\in(-\infty;-6)U(-1;3].$