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a+ax+(a+ax)x= a-ax-(a-ax)x = 因式分解
人气:383 ℃ 时间:2020-05-22 07:55:18
解答
a+ax+(a+ax)x
=(a+ax)(x+1)
=a(x+1)²
a-ax-(a-ax)x
=(a-ax)(1-x)
=a(1-x)²
=a(x-1)²
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