-4x²y-8xy²+2x²y-3xy²

来源：学生作业帮助网 编辑：六六作业网 时间：2024/11/24 16:06:47
-4x²y-8xy²+2x²y-3xy²-4x²y-8xy²+2x²y-3xy²-4x²y-8xy²

-4x²y-8xy²+2x²y-3xy²
-4x²y-8xy²+2x²y-3xy²

-4x²y-8xy²+2x²y-3xy²
-4x²y-8xy²+2x²y-3xy²
=-2x²y-11xy²
=-xy(2x+11y)

原式=－2x²y－11xy²