Question

x(y+2)=8 giup em voi

Answer 1

\(x\left(y+2\right)=8\)

=>\(\left(x,y+2\right)\in\left\{\left(1;8\right);\left(8;1\right);\left(-1;-8\right);\left(-8;-1\right);\left(2;4\right);\left(4;2\right);\left(-2;-4\right);\left(-4;-2\right)\right\}\)

=>\(\left(x,y\right)\in\left\{\left(1;6\right);\left(8;-1\right);\left(-1;-10\right);\left(-8;-3\right);\left(2;2\right);\left(4;0\right);\left(-2;-6\right);\left(-4;-4\right)\right\}\)