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標題:
一條因式分解(最好列上步驟令我明白),急T.T
發問:
-x2-3x+28=
-x2-3x+28= by using cross method, -x -7 x -4 -------- =-x^2-3x therefore,-x^2-3x+28=(-x-7)(x-4)
其他解答:
You should also take out the negative sign.
一條因式分解(最好列上步驟令我明白),急T.T
發問:
-x2-3x+28=
此文章來自奇摩知識+如有不便請留言告知
最佳解答:-x2-3x+28= by using cross method, -x -7 x -4 -------- =-x^2-3x therefore,-x^2-3x+28=(-x-7)(x-4)
其他解答:
You should also take out the negative sign.
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