Mathematics
Senior High
Solved
なぜこのようになるのか教えてください！！
4
Ox-x²+16
=x+8x²+16-9x2 SEI
2
=(x²+4)²=(3x)²
=(x²+4+3x)(x²+4-3x)
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なるほど！！ありがとうございます🙇♀️