Question 198093
( 3x +2) ( 3x^2 -2x -5)
.
9x^3 -6x^2 -15 x   + 6x^2 -4x -10
.
9x^3 -19x -10
.
checking
for  x=0,  both  original  and  answer  = 10  ,,,,ok
for  x=1,  both original  and  answer  = -20,,,,ok