What is the sum of (x^2-3x+2) and (5x^2-3x-8)? show your work

help me!!!

x ^ 2 - 3 x + 2 + ( 5 x ^ 2 - 3 x -8 ) )=

x ^ 2 + 5 x ^ 2 - 3 x + ( - 3 x ) + 2 + ( - 8 ) =

6 x ^ 2 - 3 x - 3 x + 2 - 8 =

6 x ^ 2 - 6 x - 6 =

6 ( x ^ 2 - x - 1 )