Profit is the difference between revenue and cost. The revenue, in dollar, of company that manufactures television can be modele
d by the polynomial 3x²+180x. The cost,in dollar, of producing the televisions can be modeled by 3x²-160x+300.The variable x is the number of televisions sold. If 150 televisions are sold ,what is the profit? C)$50,700
What you do on one side of the equation, you do to the other. She added 10x on the right side and subtracted 10x on the left when she should have added 10x on both sides.