Question

formula : a +3 a b + 3 a b + b
         3
(4x-5) =
          3
(8x+3) =
          3
(3-7y) =
    6      3
(9x -12) =

Answer 1

formula : a +3 a b + 3 a b + b
         3
(4x-5) = 64x^3-240x^2+300x-125
          3
(8x+3) = 512x^3+576x^2+216x+27
          3
(3-7y) = -343y^3+441y^2-189y+27
        3
(9x -12) = 729x^3-2916x^2+3888x-1728