What would be the anwser for this trinomial using foil in reverse.

Question

28y^2 + 25 + 3 =?

Answer 1

28y^2 + 25y + 3 = (7y+1)(4y+3)

Ideas: 28*3 = 21*4, and 21+4 = 25, the coefficient of y.

28y^2 + 25y + 3 = 28y^2+21y + 4y+3 = 7y(4y+3) + (4y+3) = (7y+1)(4y+3)