Mathematics
Senior High
Solved
何故
(x²-1)=(x+1)(x-1)や
(x²-9)=(x+3)(x-3)
になるのでしょうか？
詳しく解説お願いします🙏
Answers
No answer yet
Were you able to resolve your confusion?
Users viewing this question
are also looking at these questions 😉
![[2]や[3]の式にある3Ｃ1、4Ｃ2は、どういう意味ですか？ - 1](https://d1e9oo257tadp1.cloudfront.net/uploads/qa_question_image/file/1810219/thumb_l_webp_D0A829CB-FB1A-400B-92B2-C1EA65030ED5.webp?Expires=1787502787&Signature=XLpkynqcIzDCUKauuWwVLmMpyb5XZX0mP9NHg7v0m69DNlgPn437qE~ZiII0D3dWS1Lp40mygMs4zUgUQ6TWQcHArXzt84b5vbW~m06Duu4vXj5cStlppycGE0R2a8oK1-GgPBpWrE9tJIEqjZOVaZKs1kWYnbNqg7mFJdwCg0mELm-5DLl8Ww1XFw90Schymks~4lgH-UlrXqv5XLWbMh3qNBAeJG-ESHvf23suYrItuZ9V9KkjiCavWEmeWgPeEinsDJt2kt2l1pu2btZ0Y7bL3VwLhknd2Kz6-5aEMTdeLIfkreu0jUW8P4NAB6eezu~SCzT9BrhLnqI03r2Fqw__&Key-Pair-Id=K2W722D70GJS8W&Expires=1787502787&Signature=whLPFOuQ-56Fzj24S-z7f1idjtPScDOr5m8XhpXy0LtDeDr8f2uYAp5tvcGflf-M-hwIzT2OelHObS8nb-16m239QYyCz3voZ4pBq-UqBya243kQnHdhJp9FIguCktUaFSVnEAUT6BkFAMDc~Hp5FKX9fiPLSaRmQjbPujFuC7~uvCYhc4pX~XjDdaKDQbdyXon7tWfsSicIJJ3iwmLKx~YIjw-O55DKDyQCkNooaWWUdyfmjB9TEDT7pLbFlkPRh13S3rQn0eev6t32ASPPkT7lmuaXxhJ~l3IpQ2tKe1T1mNMKsio1yBYkj~jog7dvulPwUpd~H6l0XxuOlQLk4A__&Key-Pair-Id=K2W722D70GJS8W)
Recommended
詳説【数学Ⅰ】第一章 数と式～整式・実数・不等式～
8998
117
詳説【数学Ⅰ】第二章 ２次関数（後半）～最大・最小・不等式～
6135
25
詳説【数学Ａ】第１章 個数の処理（集合・場合の数・順列組合）
6119
51
詳説【数学Ａ】第２章 確率
5863
24