What is the intermediate step in the form (x+a)^2=b as a result of completing the square for the following equation?

Lee has $1.75 in dimes and nickels. the number of nickels is 11 more than the number of dimes. how many of each coin does he have?

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

James is playing his favorite game at the arcade. after playing the game 33 times, he has 88 tokens remaining. he initially had 2020 tokens, and the game costs the same number of tokens each time. the number tt of tokens james has is a function of gg, the number of games he plays