Ejercicio.[br][br]Dadas las siguientes funciones:[br] [img]data:image/png;base64,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[/img] [img]data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAF4AAAAgCAYAAACb+s/fAAAEJklEQVRoQ+2Ya8hNaRTHf+63mPFBk1wal0xqSDNuHwi5FHIJQzSDmDJT4xIfZCaRLy5lmEZJbrk0EyISRohQQgrTFLmFD0LCiJgx6F9rn7anfc5+zn7f/Z5jz1mf3vfs9azLf61nXZ5aVKgkCNQqidb0lY4A9qevJrmGrAE/APgcWAI0Tw5L+iezBvxG4E9gUQX49JPH1TCnAnzNgy6NFeBLg3sF+BLhXgG+AnwBBLI21fxvavwUYItHaqvhXQH+8OCtCov09ANGA+uB68CKqghM62xVMv574FNgvqdx94FPPHmTsh0HFgJXgWHAVEBLVSloFjAd+Bi46dqRFHhl1FagWREeLTYwehZxphxZFdy4YHYA1gBDzYGnwA3gi8ChpMBrQzwG/FYkMo+AUcDpIs+VE/szoGmMQeuAr4Emxqdg9QXqxgGvt46ZwL/AdmCuo0hrueqpwA/TKYuqFJ4HugPh4F4GLgKTywBJPSvoFu4GxgFvzZ9BMba9AhrE8Oi96NfQzVB10MNd7v0oKuNlwC5gvBnzJOLdQwGp5yifB6wEtgGtgX0Rq7t+aw90iTBchv4Q49DvwKRqCJqSRrVXwL8EGgJ3gSPAtBj5/wF1irThob2W5mS7wH8HrA1lqUqCotvDUaTg5CtTulYqKcoil5Zaw2tZpOFx7ApmiwJMZ51vAn61/VbIF7GItyvQzvj7Ayfs71uAbnEgK8qEPUBbu/257y54qtmqRW2MQ9nwI/CzI/ENUDuPozozPKIMiV2jnW6SpqHqJAHfqIDAv/J822ug6nw+qgrwKsX1DdP35LvAX7MIjgX6AKrZUZn9jwmMMjacQXcs2gHfQeA1MDLioBycYJOSmldjKwEyXFdbgV4V0W+SBFCJpL4lW1S+vgHk+3JgQ4xA31Kz08rZEJOnvpgrsS6omsm1FB0FvrIsUi106bFNJyftg/5X41AGaYHR3yo5Z+zGBOfVmNRYdyRBq5rOKMAKoHyXjS9s0dLc7TPl+TRXmSpMwvQA+Cz4oVCd/hI4B0R1eQlVY/olJFlOqP4FDh0GljnK4+ppdWCrJrnAprF88mZYDxoMzAY6A+pvPuQzTgqLMOmmayDJ9YIw8N0sG4PR8Z5dvXyN43loTvUxWEHqBfT2YU7Io+xVT1Ip1Eg80SaVhOIij/ksULH6wsBLoDYubViij8KbVoQkreY/WR2OVWTjlGbZtEiZrrqqsVZ0AfjbY8tMy56Cct1SI2CU8XErcSDUt3RoodBIujlFL4PrHdiuvWAM0CpFnYlF+zSTxMJLfPA2cKiI2l2j5mYV+E22ohdaqmoUaFdZFoFXqdG7/8ByfozLGvCdAI1uHUuazh7KswS8tt0D9toovzS2XgL0PlR2lCXgNdVoFwmTnny/LTvUPVfkcrT7g7cpSxn/QQXjHYuUtyHse3kfAAAAAElFTkSuQmCC[/img][br]encuentra el punto de intersección.[br]Para encontrar el punto de intersección, igualamos las dos funciones.[br][img]data:image/png;base64,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[/img][br]Después juntamos ambas funciones de un lado de la ecuación, igualando a cero, para realizar la suma y resta de términos semejantes.[br][br][img]data:image/png;base64,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[/img][br][img]data:image/png;base64,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[/img][br][img]data:image/png;base64,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[/img][br][br]Enseguida factorizamos, en este caso por término común [br][br][img]data:image/png;base64,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[/img][br]¿Qué tienen en común?[br]La x entonces es el factor que irá fuera del paréntesis y dentro de éste irán los números por los que hay que multiplicar el término común para que nos de la ecuación inicial.[br] [br]Vemos que [img]data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACUAAAANCAYAAAAuYadYAAABHUlEQVRIS83UsSuFURjH8c8djGbCpqysBoPIYLYoKbIpUSYmrBKZJKX4FywSiUUpZSMbFimbBdHRefN2uu6t21vvPet5+j3f8/s956lowlNpQiZlQj2iC09Yx1ZmUFlQb1jBJvpww59BZUF95yHwgm2sBbeqQR2jBRcYQSceMFjQ/HVHvXzvs6j92yOFmsUJ7vCJGSzHzHcSqF2M1QF9xRQuc3XT2Et614TK90gtLsgoozhqBGoOS2ivQzJf5/46cSmUd+A5gbrCezYiaXwTOMRp/KqT+MAwzqsANAIVZNIUQsyL2E9nagMLMe8efKE/QrUWlV3UWcVAdCbsq3sM/ben2jAe90eoCb8hG8KCuRwgJHOL3rx4WXuq5gN/ALV2Ng4qJrT5AAAAAElFTkSuQmCC[/img] y [img]data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACUAAAANCAYAAAAuYadYAAABKUlEQVRIS83UvSvFURzH8dcdjAaDkElJdpMyUB7+AYvIQ5eJPAwWyl8gWeWhFIM/geQhsmCwKGVQZKEMRkS/Ole/bj/3Kle/e7ZzOn3O+3y+n+83owxXpgyZpAU1hQk04hULWM4ZlBbUC6oCxBqG0YD76CwtqE8coSOAveE0t0+C2kMFTtCNetzGBEoRwx7sBqE6PCKLjSSnxrGPG7xjFPNYxEoezSp6ixA+YyS48NPVczSj8jeZiiz+7/JOYxZduC4GNYk51BZxIhIttC4KuFSDHbSjGv25Dsx3YgBbOMADBhGFsBPHCa//BeoSLUFzCG0Yy8/UEmawjiZ8oDVAfde7FCnHWdCOy0VjYTMp6JGlfbFBFrXsYYlA4jJxzSvcYRtPac6pgv/8AqI5Ng7p9blsAAAAAElFTkSuQmCC[/img] son la intersecciones, sustituyendo estos valores en cualquiera de las dos funciones, tenemos:[br][img]data:image/png;base64,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[/img][br]tenemos el primer punto coordenado [img]data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABIAAAAQCAYAAAAbBi9cAAAA7klEQVQ4T63TIUtDYRTG8d8QLAYRrILBD2AxmcQiiMHgRxi45qJNsCy5ahSjoF/BLliMyopFTMNgUYZy4EXuXu67uXFPvff5n+c857wtDVWrIY4S6B6bWMZHavaGd+zUNZ/kaIAnHCbhBbro4TSHTQJ9o42riugFq1j5LyjGesRCRXCC/qyOLrGPtQS6wTaeZ80o8nnFTxJ2EPCoXRzjqDpeKaMRznBeOI9hnlMdKLZ0hw2Es7r6xNI0R7fYy3/MaF9YLIEOcJ0+xiFGraesclcxenWjxcue9nJiCWOxzPPWHrCVOv3p5wHVum0M9As3YyMRQEV7IgAAAABJRU5ErkJggg==[/img]=(0,2)[br][img]data:image/png;base64,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[/img][br]tenemos el segundo punto coordenado [img]data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACAAAAAQCAYAAAB3AH1ZAAABM0lEQVRIS8XUsStFYRjH8c/NKEkpExmMBotBJpuS5D+QMtiwWaSUTBiNWJTiX/AHyMJGShaZRDaJnnqvTqdzb849l/vU6ZzOeZ/z+z6/53nfmg5HrcP6GgFcYAy9eE2QT3jGVDuhmzlwj2vMJ8FdrGIH6+2CaAbwgSUcZsTu0I++vwYI+6/QlRFawd5/OXCAGQwmgFNM4vaXMxCwzWK//rFRC6L/j/hKgssIqIhLvOMo156sYGWAT2xiK1fGS6b/b9jATzWtzEWRAzH15xhBOJGNRUyk4bxJc7KQWxMORW49wsW4IurPDxiPF0UAZ5hGd5OKRlMr4p6HLGVEFmAWxyk7DqCI4TQL+Z9GJbEj1kqpFSxu5SiO4RyqKlzPLwuwjTkMoAfR/5MqMGUBqmgV5nYc4BtI3jQRZ17ArwAAAABJRU5ErkJggg==[/img](2,3)[br]