Can you help me with my math question? methods
1. solving quadratic equation by extracting square roots
2. Solving quadratic equations is by factoring
3. Solving quadratic equations is by completing the square
4. Solving the quadratic equation is by using the quadratic formula

Luke started a weight-loss program. the first week, he lost x pounds. the second week, he lost pounds less than times the pounds he lost the first week. the third week, he lost 1 pound more than of the pounds he lost the first week. liam started a weight-loss program when luke did. the first week, he lost 1 pound less than times the pounds luke lost the first week. the second week, he lost 4 pounds less than times the pounds luke lost the first week. the third week, he lost pound more than times the pounds luke lost the first week.