(x+4)2+4x=0
help?
(x+4)2+4x=0......................?
2009-06-29 10:16 pm
回答 (3)
2009-06-29 11:10 pm
✔ 最佳答案
2x+8+4x=06x+8=0
6x=-8
x=-4/3
2009-06-30 5:28 am
x=-4/3
2009-06-30 5:27 am
(x+4)2 + 4x = 0
2x + 8 + 4x = 0
6x = –8
x = –4/3
.
2x + 8 + 4x = 0
6x = –8
x = –4/3
.
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https://hk.answers.yahoo.com/question/index?qid=20090629141640AAaDyuL