Mathematics
Junior High
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x²ーy²ー4x+4はどうやったら(x+yー2)(xーyー2)になるんですか?

因数分解 代入

Answers

✨ Best Answer ✨

x²-y²-4 x+4
= x²-4 x+4-y²
= ( x-2)²-y²
=( x-2+y)( x-2-y)

あやか

ありがとうございます!!

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