Question 77048
The given expression is:  


{{{ 5s - 2s^2 = 0 }}} 


Since, the term "s" is present in both the terms, we can take it as a common factor. 


{{{ s(5 - 2s) = 0 }}} 


==> s = 0 or (5 - 2s) = 0 


==> s = 0 or 5 = 2s 


==> s = 0 or s = {{{5/2}}} 


Hence, the solution.