Предмет: Математика, автор: Fooorest

решите уравнение (x+2)^2=(x-4)^2.

Ответы

Автор ответа: oksanashn

(х+2)^2=(x-4)^2
x^2+4x+4=x^2-8x+16
4x+4=-8x+16
12x=12
x=1

Автор ответа: Артем2017

раскроем скобки: х^2+4x+4=x^2-8x+16
икс в квадрате сокращаем и получим:4x+8x=16-4
12x=12
x=1
Ответ:1

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Английский язык, автор: alinazhakupova08

Reading
Task 1. Read the email and fill in the missing phrases in the text.
From:
To:
Subject:
Eric
Andrew
Palm Beach
Hi Andrew,
Greetings from Palm Beach, Florida. I'm here on holiday with my parents. 1) and it's
been an exciting week so far. We've already done so many things!
We've visited the zoo at Dreher Park, and the Florida Science Museum, and we've even been
snorkelling at West Palm Beach. It was really amazing! Tomorrow we're going to Yesteryear Village
2)
so it's going to be interesting to see all of the old buildings.
3) it's been warm and sunny since we arrived. The people here are really friendly, too.
I've met some very 4)
who are staying at the hotel. It's a fantastic hotel. 5)
and
there's an Internet room on every floor. I haven't bought any souvenirs yet, but I promise to get you
something nice. I can't wait to show you the photos I've taken when I get
back. 6) so I'm going to go for a swim in the pool.
See you soon
Eric
a. The food is delicious
b. Mum and Dad are going shopping now
c. I've never been to a historical park before
d. We arrived last Sunday
The weather is great
f nice people
e

6 лет назад

Предмет: Математика, автор: saniamajdan

1)3 1/8 + 7 5/12 + 5 3/8 + 1/12

6 лет назад

Предмет: Физика, автор: dmitrykoshelkov84

Дано , а=90 см, в-= 40 см, с = 55 см, m = 40 кг, S=?

Даю 20 балов помогите!!!!!!!!!!!!!!!!!!

6 лет назад

Предмет: Биология, автор: UcHeNiC2001

Сообщение на тему заповедники ХМАО

9 лет назад

Предмет: Математика, автор: 200507

на разметку пешеходных переходов потратили 46 кг краски. На разметку улицы ушло 30кг краски, а переулка---- остаток. Сколько килограммов краски ушло на разметку переулка? Составь обратные задачи.

9 лет назад