Question 259293
We want factors of three that add up to 4
3 only has factors 1,3 which happen to add up to 4
But there is a problem.  One of the two 1 and 3 is negative but not both.
So we need factors of 3 whose difference is 4
There is a good chance you copied the signs wrong
*[invoke change_this_name4450 1, 4, -3, "x"]
-4 and +3 would work

*[invoke change_this_name4450 1, -4, 3, "x"]