Tony started a blanket business. He purchased a sewing machine and some fabric to get started, and then sold each blanket for th
e same price. The expression −450+12x−450+12x represents the profit that Tony has earned based on the number of blankets sold. Which expression represents the total amount Tony earns from selling blankets?
Now here you can use the polynomial remainder theorem directly. According to Paula's work, the remainder upon dividing by is 7, which the theorem asserts is the value of .