Mathematics
Senior High

なぜこのような変形をするのですか?他のやり方はありますか?

[3] a+2+a*_(a*)² +2a*+1 ax-a-x I+ (a)²-17ol [8] (a* + 1)² (a*+1)(a*−1) a* +1 a*-1* gol-gol01 ([A] 12m [ [ [

Answers

Were you able to resolve your confusion?