Answer
The first pair of numbers is -13 and -11. The other pair of numbers is 11 and 13.
Work Step by Step
$$x(x+2)=143$$
$$x^2+2x=143$$
$$x^2+2x-143=0$$
$$(x+13)(x-11)=0$$
$$x=-13,11$$
The first pair of numbers is -13 and -11. The other pair of numbers is 11 and 13.