ROCHELLEPARDOMANANGKIN ROCHELLEPARDOMANANGKIN Math Answered D. Perform the indicated operations. Simplify your answer. 16. (2a)(3b) = 17.3(4ab) = 18. (x+2)(x+5) = 19.5(x² + 2x - 3) = 20. 4x³ +6x² +10x/ 2x =