The revenue, in dollars, of a company that produces video game systems can be modeled by the expression 5x² + 2x -80. The cost, in dollars, of producing the video game systems can be modeled by 5x2 - x + 100, where x is the
number of video game systems sold. If profit is the difference between the revenue and the cost, what expression
represents the profit?

if 1,000 video game systems are sold, the company’s profit is $__