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(2X加3)=3(2X加3)
不好意思,是:(2X加3)^2=3(2X加3)
人气:218 ℃ 时间:2020-04-08 14:11:43
解答
(2X + 3) = 3(2X + 3)
2X + 3 = 6X + 9
3 - 9 = 6X - 2X
-6 = 4X
X = - 6/4 = - 3/2 = - 1.5
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