Online "^" is used to indicate an exponent; x^2 = x squared.
Factor the end values into two factors each (4,1 or 2,2) and (6,1 or 3,2).
See which combination will sum to the middle value.
I cannot see your grid.
Factor completely and then place the factors in the proper location on the grid.
4y2 + 25y + 6
2 answers
4y2 + 25y + 6