Factorice 4ac - 2ad - bc - bd?
Factorice 4ac - 2ad - bc - bd.
Factorice 4ac - 2ad - bc - bd.
En resumen
4ac - 2ad - bc - bd = (4ac - 2ad) - (bc - bd) = 2a(2c - d) - b(c - d) = (2a - b) (2c - d) (c - d).
4ac - 2ad - bc - bd = (4ac - 2ad) - (bc - bd) = 2a(2c - d) - b(c - d) = (2a - b) (2c - d) (c - d).