Answer:
(x + y)² = 25
Step-by-step explanation:
The expansion of (x + y)² is
(x + y)² = x² + y² + 2xy ← substitute x² + y² = 15 and xy = 5
= 15 + 2(5)
= 15 + 10
= 25
If I understand correctly the answer is 49 feet 11 inches
Check the picture below.
The answer is 8units^2.
#Hope it helps uh......
