=>x(y+3)+y+3=-4
=>(x+1)(y+3)=-4
=>\(\left(x+1;y+3\right)\in\left\{\left(1;-4\right);\left(-4;1\right);\left(-1;4\right);\left(4;-1\right);\left(2;-2\right);\left(-2;2\right)\right\}\)
=>\(\left(x,y\right)\in\left\{\left(0;-7\right);\left(-5;-2\right);\left(-2;1\right);\left(3;-4\right);\left(1;-5\right);\left(-3;-1\right)\right\}\)