Mathematics
Senior High
Resolved

因数分解の問題です。
途中式を教えて下さい。お願いします。

(3) 22-4x-22-62-5 cut ca イノ

Answers

✨ Best Answer ✨

=x²-4x-(y²+6y+5)
=x²-4x-(y+1)(y+5)
たすきがけ
1\/-(y+5)
1/\(y+1)
=(x-y-5)(x+y+1)

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