Mathematics
Senior High
答えのところの、2行目から3行目で
2xの二乗+5xyは、どこに行ったんですか?
急ぎなのでよろしくお願いします🤲
と (1)]
(2) 2.x°+5xy+2y°-3y-2
(土!
-2→-4
(2) 2x°+5xy+2y?-3y-2
=2x°+5yx+(y-2)(2y+1)@
vO%={x+(2y+1)}{2.x+(y-2)}®
=(x+2y+1)(2.x+y-2)
全定数項(yの2次式)を
因数分解。
2
2
-2 3
-2y+1→4y+2
ソ-2→ y-2
B1
2
2 (y-2)(2y+1)
5y
R9
Answers
Were you able to resolve your confusion?
Users viewing this question
are also looking at these questions 😉