Answer:
d = 3x²+ 4x - 7
C'est la réponse j'espère que ça aide.
Answer:
https://www.wikihow.com/Do-Long-Division
Step-by-step explanation:
Hope this helps! It goes into detail. Can you make me brainliest?
X - Ollie's age
8 is subtracted from Ollie's age = x-8
the result is the same as
subtracting 16 from 3 times his age = 3x-16

Ollie is 4 years old.
He has 87 cards then he gets 9 more which is 96, he then gives 16 away which is 80, then he is given 3 which is 83 he sells all 83 cards to the collector & the collector gives him $124.50 each card is worth $1.50