Mathematics
Junior High
Solved
なんでこのように式変形するんですか?
よろしくお願いします!!
例25 ()(x1yX+2)243)(2+ 4)-24
ミx+5x+4+ ス+5xt6-24
=(x+5ズ)+4(en52)+6子.24
(父+ラス)+10(ピ+5メク+24-24
(2ナ 5X)+10(x2+5x)コマ
- (x'+5x){(2+520+03
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