x²-yz+zx-y²
zの項とそれ以外でまとめる
→ zx-yz+x²-y²
→ (x-y)z+(x+y)(x-y)
共通因数x-yでくくる
→ (x-y)(z+x+y)
→ (x-y)(x+y+z)
Answers
Were you able to resolve your confusion?
Users viewing this question
are also looking at these questions 😉
x²-yz+zx-y²
zの項とそれ以外でまとめる
→ zx-yz+x²-y²
→ (x-y)z+(x+y)(x-y)
共通因数x-yでくくる
→ (x-y)(z+x+y)
→ (x-y)(x+y+z)
Users viewing this question
are also looking at these questions 😉
