Question 609159
  <pre><font face = "Tohoma Ital" size = 3 color = "indigo"><b> 
Hi
(20b^3+12b^2+28b+40)÷(4b+4)= (5b^3+3b^2+7b+10)/(b+1) 
(5b^3+3b^2+7b+10)/(b+1)   || d) would be correct..NOte: 4/(4b+4) = 1/(b+1)


            5b^2 + (-2b) +   9
          __________________________
 b + 1 | (5b^3 + 3b^2 + 7b  + 10 
         - (5b^3 + 5b^2)
         ---------------
                   -2b^2 +  7b
                  - (-2b^2 + (-2b))
                   --------------
                             9b + 10
                         -  (9b + 9)
                             --------
                                1