Question

PLEASEE HELP ANYONE

Answer 1

1- Leave the 1st case empty

2- Write on the 1st row each element of the trinomial in each case

3-Write on the 1st column in each case each of the element of the binomial

              ║         y²                   -3y                 9
----------- ║-----------------------------------------------------
y             ║        y³                   -3y²                9y
----------- ║---------------------------------------------------
3             ║      3y²                  -9y                  27
------------║----------------------------------------------------
   TOTAL║(y³+3y²) +(-3y²-9y)   +  ( 9y+27)


If you add the Total you will get: (A)  Y³+27