7 and 8
Since:
x+y=15 or x=15-y
xy=56
so that y(15-y)=56
15y-y2=56
y2-15y+56=0
(y-7)(y-8)=0
which makes y=8 or y=7
3 & 15
The two numbers are 8 and 15
15 and 3
They're 5 and 15.
The two numbers with the sum of 15 and the product of 56 are: 7 + 8 = 15 7 x 8 = 56
3 & 15
3 and 12
12 and 3
The two numbers are 8 and 15
15 and 3
Zero and 15.
They're 5 and 15.
The two numbers with the sum of 15 and the product of 56 are: 7 + 8 = 15 7 x 8 = 56
3 and 5
10 and 15
15 and 2
14 and 11