Question

x+y=12 and xy=32 find the value of x-y

Answer 1

it's simple ....
.....
your answer is ....
value of x = 8
value of y = 4
8 +4= 12
8×4=32
8- 4 = 4

Answer 2

x=12-y
y(12-y)=32
12y-y^2=32
y^2-12y+32=0
(y-8)(y-4)
y=8 , y=4
x=4, x=8
then
x-y = 4 or -4
i hope this will help u