(2x-y)(4x²+2xy+y²）化简

来源：学生作业帮助网编辑：作业帮时间：2024/04/26 21:40:19

(2x-y)(4x²+2xy+y²）化简
(2x-y)(4x²+2xy+y²）化简

(2x-y)(4x²+2xy+y²）化简
(2x-y)(4x²+2xy+y²）
=(2x)³-y³
=8x³-y³

原式=8x³+4x²y+2xy²-4x²y-2xy²-y³
=8x³-y³