How do i solve 8x3 - 40x2 - 8x +40

In the figure shown below, m < 40 and ab =8. which equation could be used to find x?

You earn a 12% commission for every car you sell. how much is your commission if you sell a $23,000 car?

Andy has $310 in his account. each week, w, he withdraws $30 for his expenses. which expression could be used if he wanted to find out how much money he had left after 8 weeks?