(2x+y-3)(2x-y+3)(a三次方b四次方)²÷(ab²)三次方(a-b)²+4ab4xy²-4x²y-y三次方
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/08 07:25:50
![(2x+y-3)(2x-y+3)(a三次方b四次方)²÷(ab²)三次方(a-b)²+4ab4xy²-4x²y-y三次方](/uploads/image/z/15199426-10-6.jpg?t=%282x%2By-3%EF%BC%89%282x-y%2B3%29%28a%E4%B8%89%E6%AC%A1%E6%96%B9b%E5%9B%9B%E6%AC%A1%E6%96%B9%29%26%23178%3B%C3%B7%EF%BC%88ab%26%23178%3B%EF%BC%89%E4%B8%89%E6%AC%A1%E6%96%B9%EF%BC%88a-b%EF%BC%89%26%23178%3B%2B4ab4xy%26%23178%3B-4x%26%23178%3By-y%E4%B8%89%E6%AC%A1%E6%96%B9)
xR=0=)i"s BwLhUG_Eb$]^^ p%* < .iJFc/*_KzɚIܑ$I(ZC Dqoqgy1C$rߊHO>JL~l6V"aC{ż="$0ɡ{Zbm;8ϵhպ27?
(2x+y-3)(2x-y+3)(a三次方b四次方)²÷(ab²)三次方(a-b)²+4ab4xy²-4x²y-y三次方
(2x+y-3)(2x-y+3)
(a三次方b四次方)²÷(ab²)三次方
(a-b)²+4ab
4xy²-4x²y-y三次方
(2x+y-3)(2x-y+3)(a三次方b四次方)²÷(ab²)三次方(a-b)²+4ab4xy²-4x²y-y三次方
(2x+y-3)(2x-y+3)
=[2x+(y-3)][2x-(y-3)]
=4x²-(y-3)²
=4x²-y²+6y-9
(a三次方b四次方)²÷(ab²)三次方
=a的6次方b的8次方÷a³b的6次方
=a³b²
(a-b)²+4ab
=a²-2ab+b²+4ab
=a²+2ab+b²
=(a+b)²
4xy²-4x²y-y三次方
=-y(4x²-4xy+y²)
=-y(2x-y)²