Mathematics
Senior High
Solved
これってこのままでも正解ですよね？
答えは矢印の所が逆になってるんですけど、別に良いんですよね？
(3) (x+2y)²+3(x+2y)-10 (4) (y-
A
A
= A ² +3 A-10
(A(+5) (A-2)
JO
=(x+2y+5)(x+2y-2)
11
=
11
A
8880
=
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