Mathematics
Senior High
Solved

ここの変換の仕方教えて欲しいです

y = x² −2(a+2)x+a(a+4) = (x−a){x−(a+4)}

Answers

✨ Best Answer ✨

たすきがけで
1・(-a)+1・(-(a+4))=-2(a+2)
よって、根はa, a+4

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