Решите уравнения: 3x(x+1)-2x(5x+3)=7x(2-x)+4 8(x^2-1)-3x(x+2)=5x^2-6x-5. Created by Nastyaash1. algebra-ru

Решите уравнения: 3x(x+1)-2x(5x+3)=7x(2-x)+4 8(x^2-1)-3x(x+2)=5x^2-6x-5...

July 2022 1 32 Report

Решите уравнения: 3x(x+1)-2x(5x+3)=7x(2-x)+4

8(x^2-1)-3x(x+2)=5x^2-6x-5

Answers & Comments

irkarom $3x(x+1)-2x(5x+3)=7x(2-x)+4\\
3x^2+3x-10x^2-6x=14x-7x^2+4\\
3x^2+3x-10x^2-6x-14x+7x^2-4=0\\
-17x-4=0\\
-17x=4\\
x=-\frac4{17}\\
\\ \\
8(x^2-1)-3x(x+2)=5x^2-6x-5\\
8x^2-8-3x^2-6x-5x^2+6x+5=0\\
0x-3=0\\
0x=3\\
x - kornej \ \ nety$

3 votes Thanks 3

Nastyaash1 Спасибо

ch cherez skolko chasov posle vyhoda avtobusa oni vstretyatsya esli rasstoyanie mezh5b0dc2967682ee408c4c006c161d0522 75677

Answer

Nastyaash1 July 2022 | 0 Ответы

srochnopomogite samym bolnym voprosom dlya krestyan v nachale xx veka bylo otsut

Answer

Answers & Comments

ch cherez skolko chasov posle vyhoda avtobusa oni vstretyatsya esli rasstoyanie mezh5b0dc2967682ee408c4c006c161d0522 75677

razbor po sostavu slovtropinkapochtizaroslidoroguznakomyjzarastayushij osobo

chto proizojdet na zemle esli ischeznet veter sochinenie

chto proizojdyot esli ischeznet veter

zakraste territoriizahvachennye i kolonizirovannye finikijcami podpishite goro

stolicej kakih gosudarstv byli pervyj i vtoroj rim a tretij

kak hrestianstvo izmenilo zhizn lyudej v kievskoj rusi

srochnopomogite samym bolnym voprosom dlya krestyan v nachale xx veka bylo otsut

рекомендуемые вопросы

Helpful Links

Helpful Social