Hola soy nueva aqui =/ y nesecito ayuda en una tarea​

Find the values of the variables in the kite

Rose and andrew are financing $128,000 to purchase a condominium. they obtained a 15-year, fixed-rate loan with a rate of 5.05%. they have been given the option of purchasing up to four points to lower their rate to 4.81%. how much will the four points cost them?

Which expression is equal to 5p? p + p + p + p + p 4p + 1 p + 5 p^3 + p^2