4x²+x³
Factor is out x³ expression
The answer is :

Carry learning!
Step-by-step explanation: if its asking how much money he spends in total you multiply
$3.25 x 5 = 16.25
So pretty much you can get 2 pieces out of each cake with 1/2 left over. Now do this, 2+2+2+2+2=10 now take that 1/2 and do this .5+.5+.5+.5+.5= 2.5 now add that to the 10 and that is your answer