In Matemáticas / Secundaria | 2025-08-06
Asked by helamannestor
Respuesta:(2x + y + 3)² = (2x)² + 2(2x)(y) + 2(2x)(3) + y² + 2(y)(3) + 3²= 4x² + 4xy + 12x + y² + 6y + 9
Answered by lesviasazo548 | 2025-08-06