Share
If: x² – y² = 60 and x+y= 5√6, Then x-y=- I need an explanation of the answer please…
Question
If: x² – y² = 60 and x+y= 5√6, Then x-y=….
I need an explanation of the answer please…
in progress
0
Mathematics
6 months
2021-08-04T13:14:34+00:00
2021-08-04T13:14:34+00:00 1 Answers
2 views
0
Answers ( )
Answer: 2√6
x² – y² can be factored as (x+y)(x-y), so we can write x² – y² = (x+y)(x-y). Plugging the values we already know for x² – y² and (x+y), we have 60 = 5√6 (x-y), so (x-y) = 60/(5√6) = 2√6.
i hope this was helpful! 😀