решите уравнение: 4)(1/2-5х)^2+3/4=(5х-4)^2 5)х(х+2)-(х+3)(х-3)=13 6)4х(х-1)-(2х+5)(2х-5)=1. Created by darinka4543. algebra-ru

4=(5х-4)^2 5)х(х+2)-(х+3)(х-3)=13 6)4х(х-1)-(2х+5)(2х-5)=1...

July 2022 1 6 Report

решите уравнение:
4)(1/2-5х)^2+3/4=(5х-4)^2
5)х(х+2)-(х+3)(х-3)=13
6)4х(х-1)-(2х+5)(2х-5)=1

Answers & Comments

zhuldyz16 1) (0,5-5х)2+0,75=(5х-4)2
-24,5х+0,75=-11х
-35,5х=0,75
х=-47,3
2)х2+2х-х2-3х-3х-9=13
-4х=22
-х=5,5
3)4х2-4х-2х2-10х-10х-25-1
2х2+16х-24=0
D=256-192=64
х1=2÷16+8=24÷2=12
х2=2÷16-8=8÷2=4

2 votes Thanks 2

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darinka4543 July 2022 | 0 Ответы

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darinka4543 July 2022 | 0 Ответы

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darinka4543 July 2022 | 0 Ответы

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Answers & Comments

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45h 42 5hh2 h3h 313 64hh 1 2h52h 51

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