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(x+1)(2x-3)+2(x+1)(3-2x)+(x+1)² (2x-3) 因式分解
人气:201 ℃ 时间:2020-04-23 02:21:11
解答
解(x+1)(2x-3)+2(x+1)(3-2x)+(x+1)² (2x-3)
=(x+1)(2x-3)-2(x+1)(2x-3)+(x+1)² (2x-3)
= -(x+1)(2x-3)+(x+1)² (2x-3)
=(x+1)² (2x-3) -(x+1)(2x-3)
=(x+1)(2x-3)[(x+1)-1]
=(x+1)(2x-3)x
=x(x+1)(2x-3)
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