What is the correct order of operations for simplifying the expression (x+3)^2 - (x^2+9) 2x^2? square the binomial (x + 3), distribute the negative to the binomial (x2 + 9), simplify the dividend, and then divide divide, square the binomial (x + 3), distribute the negative to the binomial (x2 + 9), and then simplify the dividend square the binomial (x + 3), divide, distribute the negative to the binomial (x2 + 9), and then simplify the dividend square the binomial (x + 3), distribute the negative to the binomial (x2 + 9), divide, and then simplify the dividend