Please help me on this for brainliest

How do you use the elimination method for this question? explain, because i really want to understand!

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

There are 3232 forwards and 8080 guards in leo's basketball league. leo must include all players on a team and wants each team to have the same number of forwards and the same number of guards. if leo creates the greatest number of teams possible, how many guards will be on each team?