This document presents a math problem involving two numbers x and y. It shows the expressions (x+y), (x^2-y^2), (x+y)^2, and (x-y)^2. The solution involves multiplying the first and second expressions, and the third and fourth expressions, then setting them equal to (x-y)^4.

1. PROBLEMA 7
Inicio
2 numeros (x+y )
(x2-y2)
(x+y)2
(x-y)2
Res=
(num*num1)
(num2*num2)
Res=
(x-y4)
Fin