Si x = 4, y = - 1, entonces (x + y)2 – 2x – 2y = ?
Si x = 4, y = - 1, entonces (x + y)2 – 2x – 2y = ?
Si x = 4, y = - 1, entonces (x + y)2 – 2x – 2y = ?
En resumen
(4 - 1)2 - 2(4) - 2( - 1) 6 - 8 + 2 = 0.
(4 - 1)2 - 2(4) - 2( - 1)
6 - 8 + 2 = 0.
(4 - 1)2 - 2(4) - 2( - 1) = 0 solo multiplica, suma y resta.