Mathematics
Senior High
2番目の式への仕方がわかりません！途中過程を解説お願いします🙇♀️
(i)-2のとき
2x+2-x=
2x= =
2 (2x)2-5.2*+2=0
Balodi
(2.2x-1)(2x-2)=0
2x =.
=1/1.2
5
2
1
2
2x=2より x = 1
-
2-1よりx=-1
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