Mathematics
Senior High
数1の展開です。
答えへの導きかたが分かりません。
教えてくれると嬉しいです。
(x+1)(x²+x+1)(x² −x+1)²
=
= (x³ +1){(x²+1)²-x²}
= (x³ +1)(x²+x²+1)
(x²+x³+x³)+(x¹+x²+1)
=
(x+1)(x²-x+1)x(x²+x+1)(x²-x+1)
4
=x²+x³+x²+x³+x²+1
3
Answers
Were you able to resolve your confusion?
Users viewing this question
are also looking at these questions 😉
