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Got root? w/quadratic on back Sweatshirt Front: got root? Back: derivation of the quadratic formula by completing the square. For the math nerd or math teacher who is fascinated by quadratics ;) $27.95 Size:  Size Chart Small Medium Large X-Large 2X-Large (+$3.00) Color: White Ash Grey Qty:    AVAILABILITY: Product Number: 55388626 Product Information Fit: Standard Not too tight, not too loose. Fabric Thickness: Warm up in our stylin' Hanes Heavyweight 90/10 cotton/polyester sweatshirt. Thick (but not bulky), for maximum comfort and durability whether you're working out or hanging out. 10.1 oz. patented PrintPro® fabric in a 90/10 cotton/polyester blend Standard fit Spandex trim in cuffs and waistband