SOLUTION: (s^2/r-s)+(r^2/s-r)

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Question 74454: (s^2/r-s)+(r^2/s-r)
Answer by uma(370) About Me  (Show Source):
You can put this solution on YOUR website!
s^2/r-s + r^2/s-r
s- r = -(r-s)
So the given expression is written as s^2/r-s - r^2/r-s
= (s^2 - r^2)/(r-s)
= (s+r)(s-r)/(r-s) [using a^2-b^2=(a+b)(a-b)]
= -(s+r)(r-s)/(r-s)
= -(s+r)




Good Luck!!!