Mathematics
Junior High
Resolved

「(a-b)(a-b-8)+12を因数分解せよ。」という問題が解答を見ても全然分かりません!
教えてください!

Answers

✨ Best Answer ✨

a-b=Mと置くと、
(a-b)(a-b-8)+12
=M(M-8)+12
=M²-8M+12
=(M-2)(M-6)
戻して、
=(a-b-2)(a-b-6)

ナナミンず

ありがとうございます!

Post A Comment
Were you able to resolve your confusion?

Users viewing this question
are also looking at these questions 😉