adrianaramirez7 adrianaramirez7 18-02-2018 Mathematics contestada What is the simplified expression for -2a^2b+a^2-5ab+3ab^2-b^2+2(a^2b+2ab)? A). a^2-9ab+3ab^2 B). a^2+9ab-b^2+3ab^2 C). 10ab+a^2-b^2 D). 3ab^2+a^2-b^2-ab