Question 60573
(2x^2-2x+1)+(5x^2-x-2)
Remove the bracket, we get
2x^2 -2x + 1  + 5x^2 – x -2
Group all the like terms, we get
2x^2 +5x^2 – 2x –x +1 -2
7x^2 -3x -1