xy=(x–4)(y+2)怎样化简

xy=(x–4)(y+2)怎样化简
2025-05-20 13:49:44
推荐回答(2个)
回答1:

(x–4)(y+2)=xy+2x-4y-8=xy
x-2y=4

回答2:

xy=xy+2x-4y-8
2x-4y-8=0
x-2y-4=0