Question 83372
The given expression is:  


{{{ 5(x^2-3) + x - x^2 + 5 - 2(x^2-3) - 4x }}} 



{{{ 5x^2 - 15 + x - x^2 + 5 - 2x^2 + 6 - 4x}}} 


Segregating all the like terms, we get: 


{{{5x^2 - x^2 - 2x^2 +x - 4x - 15  + 5 + 6}}} 

 
{{{2x^2 - 3x - 4 }}}


Hence, the solution



Regards..