(１)(２)の解き方を教えて下さいm(_ _)m

(a+b)(a+c) (b+c (2) (a+b-cxab-bc-ca)+abc =a2b-abc-ca² tab"-b'c =abc-abc a²cb-c) - 2abc tab² + c² a 4 2 a² (b-c) + a(6² - 2bc + c²) - to = a² (b-c) + a(b-c) - bc (b- (a²-ab- ac-bc) (b-c) 2 081 - {a² - (b+c) a-bc} (b-c) 4 = (a+b) (a = c) (bc) -(a- (3)* ab(a+b)+bc(b+c)+ca(c+a)+3abc 1 = a²b+ ab + bc(b+c) + c²a + ca² + Babe a² (b+c) + (C + ala + 3abc + (a+b+c)(ab+be+ca)

この問題の因数分解のやり方を教えてください🙏🏻🙇🏻‍♀️

(5) a2+b2+bc-ca-2ab

25から全く意味がわかりません！！解説お願いします🙇🏻‍♂️💦一応付属の解説見ましたが全然わかりませんでした😢

25. 次の式を因数分解せよ. (1) x2+2x+1-4y2 (0) (2)x2-y2+2y-1 27. 次の式を最低次数の文字について整理して因数分解せよ. (1) ax+x2+α-1 29. 次の式を因数分解せよ. (1)x2+ (2y-1)x+ye-y (2) ab+bc-b2-ac (2)x2-(3y+1)x+2y2+3 31. 次の式を1つの文字で整理して因数分解せよ. (1) 2(b-c) +62(c-a)+c2(a-b) (2) 2(b+c) +62(c+α)+c2(a+b)+2abc | 33. 次の式を適当な置き換えをして因数分解せよ. (1)(x2+4x)2+7 (x²+4x) +12 (2) (2x-1)(x²-2x-4)+2 35. 次の式を因数分解せよ. (1) x4-8x2+16 (3) x4 +3x2+4 37. 次の式を因数分解せよ. (1)x3+1 (3)x-9x3+8 (2)x-9x2+8 (4) x4+x2+1 (2)x3-64 動画で解説 (3) (4)

なぜ青の部分が成り立つと言えるのでしょうか？

大きさの 最小値 41 原点0と3点P(1, 2, 1), Q(2, 1, 2), R(1,2,3) にっ いて,|xOP+yOQ+ OR | の最小値と,そのときの実数x、yの 値を求めよ。 ポイント④ xOP + yOQ + OR を考える。

3の（1）と（2）の答えを教えてください。

3 次の文を不定詞を使った文に書きかえるとき, _に適する語を書きなさい。 (1) We had no food then. We had then. (2) I didn't listen to music because I had no CDs. I had no CDs to. 4 次の日本文に合う英文を完成させるとき,空欄の部分を補いなさい。 (1) ジェーンはホームルームで言うべきことがあります。 Jane (2)何か冷たい飲み物はいかがですか。 Would you like 1 1 in the homeroom. ?

因数分解の (-b+c)a²の部分がなぜa²でくくると(-b+c)になるのかが分からないです😿

3 a(b²-c²)+b(c²-a²)+c(a²-b²) 解説 この式は, a, b c のどの文字についても2次式である。 そ で,例えば,αについて降べきの順に整理する。 à(b²-c²)+b(c²-a²)+c(a²-b²) =(−b+c)a²+(b²-c²)a+(bc²-b2c) =-(b-c)a²+(b+c)(b-c)a-bc(b-c) =-(b_c){a-(b+c)a+bc] P17のやつ =-(b-c)(a-b)(a-c) =(a-b)(b-c)(c-a) 練習 次の式を因数分解せよ。 21 ab(a-b)+bc(b-c)+ca(c-a) 応用例題2の式を, yについて降べきの順に整理して因数分解してみよう。 止める

英検2級 英作文 添削お願い致します🙇‍♀️ お題は、観光客が旅行前にその国の言語を学ぶことについてどう思うか？です。

* I think it is a good idea for tourists. I have two reasons. First, it helps. people speak easily. If they don't know the language of that country, they can't ask how to get destination and can't order at the restaurant. It cause some problem. But unless they use this language, their trip will be more cheerful Second, they can get the chance to talk with local people during the trip. I think communicate with them will be great experience. They will teach us about culture, history, and so on. It's so amazing!

英検2級 英作文 添削お願いします😿 お題は年賀状という週間は良いと思うか？です。

car communicate with In my opinion, it is a good habit to send pengajo. I have two reasons. First! We can built a nice friendship. Even if we feel grateful, it is difficult to tell it directly. But nengajo will solve this problem. Second, we friends who live far away from. We don't have to go far away Can Save a lot of time each other. It's a mutual advantage. Therefore, I want to protect this great tradition. 1 so, we

英検2級 要約問題 添削お願いします‪( . .)"‬ 話のテーマは電子決済で、良い点としてスマホの持ち主しかスマホのロックを解除できないからお金が盗まれない、またいつでもお金を出せるから銀行などに行く必要が無いことが挙げられています。悪い点として電池が切れた時に使えない... 続きを読む

*Thesedays, using electronic money is a popular option for shopping. by doing so, individuals don't have to be afraid about their money being stolen and there's no need to go to a bank or ATM. However, if they don't have enough batteries, electronic money can't be used. In addition, there are some shops which can only use cash.

これにS(主語),V(動詞)をつけてくれませんか😭😭

16 D 15 2 of 900 woyob woH Moli linakalipid or ou Some parents do not like the idea of But in fact, pets may be good for Many children want to have a pet. having a dog or a cat in the house. children. A pet is something to play with. So keeping a pet can be especially important if there is only one child in the family. Also, children can learn a lot of things from a pet. They can learn about animals and the natural world. Children are also able to learn about taking care of a living creature. They have to learn to look after their pets in their daily life. This is an important experience for all children. stil ylish Cats and dogs are both popular pets. To tell the truth, I think cats are better for several reasons. First, cats are cleaner than dogs. They clean and they will not make the house dirty. Second, cats are safer. I junde bey stay very 10 Dogs sometimes bite people, but cats almost never do. And finally, cats are easier een to take care of. You do not have to spend much time with a cat, because many cats like to be left alone. What do you think? es/Tokyo/been/many/to/have). TERES