Question 478807
2x^2-6x+3x+4x^2
order terms:
2x^2+4x^2+3x-6x
group like-terms:
(2x^2+4x^2)+(3x-6x)
combine:
(6x^2)+(-3x)
6x^2-3x  (this is what they're looking for)
.
Note: you can factor to get:
6x^2-3x
3x(2x-1)