Question 208116
x+y=4 or x=4-y
xy=-32
y(4-y)=-32
4y-y^2=-32
-y^2+4y+32=0
y^2-4y-32=0
(y-8)(y+4)=0
y-8=0
y=8 or y=-4
x=-4 or x=8
Proof:
8-4=4
4=4
8*-4=-32
-32=-32