Question

Q28. Factorise the following polynomial by making pairs : x3 + 3x2 + 9x + 27

Answer 1

Answer:

x(X2 + 3x+ 9+ 27)

X2 + 3x 9+ 27

X(X+ 3) 9( X or1 +3)

(X+3) (9+X)

hope it will help you