この問題の計算過程を手書きで教えていただきたいです。 答えは2枚目です。

(4) (k+1)x² + 2kx+k-3=0

一枚目が問題で2枚目が答えなんですが、なんで3/2sbになるのか分かりません。あとその後の式AEの分数の計算のところがわからないです。なんでこうなるんですか？よろしくお願いします🙇

*59 △ABCにおいて, 辺AB を3:1 に外分する 点をD, 辺BC を1:2に内分する点をEとし, 直線 AE と直線 CD の交点をFとする。 8 ARE (0) A B1E AB=6, AC = c とするとき,AFを6,こを 用いて表せ。 対して -2. C F D

回答を教えて頂きたいですよろしくお願いします。

Go to page 172 for the Grammar reference. I love 1 (spend) time on my bike. It's good for you and you don't need 2 (buy) a plane ticket! Next year, I want 3 (ride) my bike through Brazil. I have persuaded my daughter 4 5 (come) with me. I tried (get) my son 6 (join) us, but he says he can't afford 7 8 (take) time off work. I prefer (ride) my bike to 9 (go) by plane or car because you see so much more. I'm 72, and I think it's important to keep 10 interesting things. I intend 11 active until I'm at least 102! PEAKING (do) (stay)

回答を教えて欲しいです。よろしくお願いします。

5 Complete the conversation with the verbs. Use the present perfect or simple past. A: What's the most uncomfortable journey you 1 B: 12 (ever/make)? (travel) on some very uncomfortable buses, but the worst was a train. There were no seats, it was very hot and then it 3 A: Oh no! 4 a plane? (break) down! (you / ever/miss) (have/not), but a B: No, 15 7 month ago 16 (miss) my train. (you / ever/reserve) a ticket for the wrong day? 18 (do) that once! A: No! 19 | 10 (never/do) that! (arrive) to stay with a friend on the wrong day once though. She 11 (be) surprised to see me!

カッコの中の英語を適切に直して欲しいです。よろしくお願いします。

6 Complete the sentences using a comparative or a superlative. Use less / least or more / most and add the or than where necessary. There were parties every night. It was (noisy) street in the city! 2 They like staying in (unusual) accommodations that they can find. 3 There's usually no one there. It's probably 4 (crowded) place in town! (good) memory I have is the night we camped on the beach. It was amazing! 5 I was shocked by the campground's prices! It (expensive) the hostel. was 6 Washing in cold, salty water was (bad) being dirty.

133delayで遅 らせる の受け身？になっているから、was delayed にするのですか？ interestと同じようなかんじですか？

133 delay [diléi] Q The bus delayed because of an accident. はおかしい? ~を遅らせる, 延期する 遅れ,延期 A The bus was delayed by an accident. (The accident delayed the bus. も可) 971 delas ら から interest

(142) どこで間違えているのか教えてほしいです 分かりにくくてすみません🙇‍♀️

== -x + 4x+1 142 y=2x2-4x+1 y=2(2²-42)+1 -2{(2-31-43+1 =g y=2(x² = 2x) +1 -2(x²-47-821 =2{(メーリー1}+ト =2xーリー2+1 19 1/2(火 (217) =2(x-1) 2-4 (1-1) 0 A A J: -2x² 42-1 y=-2 4+3=-224-1 & Re? u g² 4x-4

こういう分数になってしまう時でも自力で解くしかないのですか😭

6=0 07 -3) S Jay.20 () () 308 (1) P(x)=2x3+x2-9とすると 3 27 P(12)=2+1-9-0 == 4 4 よって, P(x)は2x-3 を因数にもつ。 下の割り算から P(x)=(2x-3)(x2+2x+3) x2+2x+30= 2x-32x3+ x2 2x3-3x2 _9 Joi c Job + S 309 多 PP切 4x2 (a) a 4x2-6x 6x-9 切 P(- よこ P(1) 6x-9 (1)aog よっ 0 ①, (2)P(x)=x463

数IIの積分の面積についてです。 赤線部がどうしてこのようになるのかわかりません。おしえてください🙏🙏

面積から 関数決定 166 次の条件を満たす関数 f(x) を求めよ。 (A) y=f(x) のグラフは,y=2x2 のグラフを平行移動したも のである。 (B) f(1)=0 50a 1 (C) 曲線y=f(x) と x軸で囲まれた図形の面積は 3 ポイント 面積を係数で表し, = 1/3 とおく。

　正しく直していただきたいです。

do Given that exposure to hot environments can cause pigs to eat less, which can lead (イ) to smaller pigs, should pig farmers be worried about the effects of climate change as average global temperatures rise? After all, heat stress can result in decreased sperm