(x^2-2x+1)...

Tima888 @Tima888

August 2021 1 5 Report

2.Сократите дробь: (-0,4x^2-0,3x+0,7)/(x^2-2x+1)

Answers & Comments

julyap $\frac{-0.4x^2-0.3x+0.7}{x^2-2x+1} = \frac{(x-1)(x+1.75)}{(x-1)(x-1)}= \frac{x+1.75}{x-1} \\ -0.4x^2-0.3x+0.7=0/*10\\-4x^2-3x+7=0\\4x^2+3x-7=0\\D= 9+112=121\\ \sqrt{D} =11\\ x_{1} = \frac{-3+11}{8} = \frac{8}{8} =1\\ x_{2} = \frac{-3-11}{8} =- \frac{14}{8} =-1.75\\ x^{2} -2x+1=(x-1)^2$

0 votes Thanks 0

More Questions From This User See All

Tima888 August 2021 | 0 Ответы

3 predmet nahoditsya na rasstoyanii 45 sm ot izobrazheniya poluchennogo tonkoj linz

Tima888 August 2021 | 0 Ответы

pri kakih znacheniyah parametra a uravnenie a1 x22axa10 imeet dva dejstvit

рекомендуемые вопросы

rarrrrrrrr August 2022 | 0 Ответы

o chem dolzhny pozabotitsya v pervuyu ochered vzroslye pri organizacionnom vyvoze n

danilarsentev August 2022 | 0 Ответы

est dva stanka na kotoryh vypuskayut odinakovye zapchasti odin proizvodit a zapcha

myachina8 August 2022 | 0 Ответы

najti po grafiku otnoshenie v3v1 v otvetah napisano 9 no nuzhno reshenie

ydpmn7cn6w August 2022 | 0 Ответы

Choose the correct preposition: 1.I am fond (out,of,from) literature. 2.where ar...

millermilena658 August 2022 | 0 Ответы

opredelite kak sozdavalas i kto sozdaval arabskoe gosudarstvo v kracii

MrZooM222 August 2022 | 0 Ответы

ch ajtmanov v rasskaze krasnoe yabloko ispolzuet metod rasskaz v rasskaze opi

timobila47 August 2022 | 0 Ответы

kakovo bylo naznachenie kazhdoj iz chastej vizantijskogo hrama pomogite pozhalujsta

ivanyyaremkiv August 2022 | 0 Ответы

pozhalujsta8b98a56c0152a07b8f4cbcd89aa2f01e 97513

sarvinozwakirjanova August 2022 | 0 Ответы

pomogite pozhalusto pzha519d7eb8246a08ab0df06cc59e9dedb 6631

Helpful Links

Политика конфиденциальности

Правила и условия

Контакты

Helpful Social

Copyright © 2024 SCHOLAR.TIPS - All rights reserved.