Write (3a-11b)^2 in expanded form using the polynomial identity (x-y)²=x²-2xy+y²
O (3a-11b)²=(3a)²-2(a)(b)+(11b)^2=9a²-2ab+121b²
O (3a-11b)²=(9a²+121b^2)
O (3a-11b)²=(3a)²-2(3a)(11b)+(11b)²=9a²-66ab+121b²
O (3a-11b)²=(3a)²-(3a)(11b)+(11b)²=9a²-33ab+121b²