1) (5b + 1)^3 = (5b)^3 + 3(5b)^2 1 + 3(5b) (1)^2 + (1)^3 = 125b^3 + 75b^2 + 15b + 1
2) (2t + 3)^3 = (2t)^3 + 3(2t)^2 3 + 3(2t) (3)^2 + (3)^3 = 8t^3 + 36t^2 + 54t + 27
3) (3y + 2)^3 = (3y)^3 + 3(3y)^2 2 + 3(3y) (2)^2 + (2)^3 = 27y^3 + 54y^2 + 36y + 8
4) (2x + 3y)^3 = (2x)^3 + 3(2x)^2 3y + 3(2x) (3y)^2 + (3y)^3 = 8x^3 + 36x^2y + 54xy^2 + 27y^3
5) (5m + 4n)^3 = (5m)^3 + 3(5m)^2 4n + 3(5m) (4n)^2 + (4n)^3 = 125m^3 + 300m^2n + 240mn^2 + 64n^3
1) (5b + 1)^3 = (5b)^3 + 3(5b)^2 1 + 3(5b) (1)^2 + (1)^3 = 125b^3 + 75b^2 + 15b + 1
2) (2t + 3)^3 = (2t)^3 + 3(2t)^2 3 + 3(2t) (3)^2 + (3)^3 = 8t^3 + 36t^2 + 54t + 27
3) (3y + 2)^3 = (3y)^3 + 3(3y)^2 2 + 3(3y) (2)^2 + (2)^3 = 27y^3 + 54y^2 + 36y + 8
4) (2x + 3y)^3 = (2x)^3 + 3(2x)^2 3y + 3(2x) (3y)^2 + (3y)^3 = 8x^3 + 36x^2y + 54xy^2 + 27y^3
5) (5m + 4n)^3 = (5m)^3 + 3(5m)^2 4n + 3(5m) (4n)^2 + (4n)^3 = 125m^3 + 300m^2n + 240mn^2 + 64n^3