Answer:
3x-8
Step-by-step explanation:
Use synthetic division:
5 | 3 -23 40
____<u> 15 -40</u>_
3 -8 | 0
Hence, another factor of the polynomial is 3x-8
for the first one he will get $51
the second one is £2.70
it equals to -2+10v since you have to distribute the -2 to the 1 and -5v
