Mathematics
SMA

赤線のところはxで、くくらなくていいのですか?

(4) (x+1)(x+2)(x+3)(x+4)-24 = {(x+1)(x+4)}{(x+2)(x+3)}-24 =(x+52+4)(c+5+6)–24 =(r+5r)2+10(x2+5r) =(x+5r)(r+5r+10 =x(x+5)(x+5x+10) 2 (F) 4 2

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