Let x and y the two numbers.
Using x+y=15 to get x,
Substitute the value of x which is 15-y, then
x+y=15
xy=56
x=15-y
xy=56
(15-y) (y)=56
15y-y2=56
-y2+15y-56=0
y2-15y+56 = 0
(y-7) (__)=0
y=___and___
The two numbers are___and___.
Using x+y=15 to get x,
Substitute the value of x which is 15-y, then
x+y=15
xy=56
x=15-y
xy=56
(15-y) (y)=56
15y-y2=56
-y2+15y-56=0
y2-15y+56 = 0
(y-7) (__)=0
y=___and___
The two numbers are___and___.
Add an Answer
More Questions From This User See All
Answers & Comments
Answer:
(y-7) (y-8)
y= 7 and 8
The two numbers are 7 and 8
Step-by-step explanation:
y-7=0
y=0+7
y=7
y-8=0
y=0+8
y=8