Faulkner-Van Buren Regional Library System at Ligohi Games
a2-b2= (a+b)(a-b)
a2+2ab+b2 = (a+b)2
a2-2ab+b2 = (a-b)2
a3+b3=(a+b)(a2-ab+b2)
a3-b3=(a-b)(a2+ab+b2)