Mathematics
Senior High
Resolved
しかく16の(3)の解き方教えてください🙏
15 次の式を因数分解せよ。
(1) ab+bc-cd-da
16 次の式を因数分解せよ。
(1) x²-(y+2)²
(3)(x-2)-(y+7)2
(2) 2x+3x2-20x
(3) 6a3b-24ab3
(2) (x-1)²-y²
(4)(x+y^2-81(y-2) 2
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ありがとうございます!
わかりました!